Preparing Apache Zeppelin release 0.9.0-preview1
diff --git a/alluxio/pom.xml b/alluxio/pom.xml
index 0f82a42..f14e216 100644
--- a/alluxio/pom.xml
+++ b/alluxio/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-alluxio</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Alluxio interpreter</name>
 
     <properties>
diff --git a/angular/pom.xml b/angular/pom.xml
index f653338..bb60f7d 100644
--- a/angular/pom.xml
+++ b/angular/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-angular</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Angular interpreter</name>
 
   <properties>
diff --git a/beam/pom.xml b/beam/pom.xml
index 3770453..40d983f 100644
--- a/beam/pom.xml
+++ b/beam/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
   
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-beam</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Beam interpreter</name>
   
   <properties>
diff --git a/bigquery/pom.xml b/bigquery/pom.xml
index c416e0b..3b6f305 100644
--- a/bigquery/pom.xml
+++ b/bigquery/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-bigquery</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: BigQuery interpreter</name>
 
   <properties>
diff --git a/cassandra/pom.xml b/cassandra/pom.xml
index 1452ff9..43c0986 100644
--- a/cassandra/pom.xml
+++ b/cassandra/pom.xml
@@ -21,14 +21,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-cassandra</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Apache Cassandra interpreter</name>
     <description>Zeppelin cassandra support</description>
 
diff --git a/docs/_config.yml b/docs/_config.yml
index d436f8b..2106805 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -21,7 +21,7 @@
   twitter : ASF
   feedburner : feedname
 
-ZEPPELIN_VERSION : 0.9.0-SNAPSHOT
+ZEPPELIN_VERSION : 0.9.0-preview1
 
 # The production_url is only used when full-domain names are needed
 # such as sitemap.txt
@@ -59,7 +59,7 @@
   #   - Only the following values are falsy: ["", null, false]
   #   - When setting BASE_PATH it must be a valid url.
   #     This means always setting the protocol (http|https) or prefixing with "/"
-  BASE_PATH : /docs/0.9.0-SNAPSHOT
+  BASE_PATH : /docs/0.9.0-preview1
 
   # By default, the asset_path is automatically defined relative to BASE_PATH plus the enabled theme.
   # ex: [BASE_PATH]/assets/themes/[THEME-NAME]
diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index e37d79a..e48e50c 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <artifactId>zeppelin-elasticsearch</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Elasticsearch interpreter</name>
 
   <properties>
diff --git a/file/pom.xml b/file/pom.xml
index 532b70b..e69e1e5 100644
--- a/file/pom.xml
+++ b/file/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-file</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: File System Interpreters</name>
 
   <properties>
diff --git a/flink/pom.xml b/flink/pom.xml
index 9be4fe5..edf7bfa 100644
--- a/flink/pom.xml
+++ b/flink/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-flink</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Flink</name>
   <description>Zeppelin flink support</description>
 
diff --git a/geode/pom.xml b/geode/pom.xml
index 8196f74..8a6323d 100644
--- a/geode/pom.xml
+++ b/geode/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-geode</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Apache Geode interpreter</name>
 
   <properties>
diff --git a/groovy/pom.xml b/groovy/pom.xml
index 13caf4f..fc46261 100644
--- a/groovy/pom.xml
+++ b/groovy/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-groovy</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Groovy interpreter</name>
 
   <properties>
diff --git a/hazelcastjet/pom.xml b/hazelcastjet/pom.xml
index 2d1d488..4b9a06d 100644
--- a/hazelcastjet/pom.xml
+++ b/hazelcastjet/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-hazelcastjet</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Hazelcast Jet interpreter</name>
 
     <properties>
diff --git a/hbase/pom.xml b/hbase/pom.xml
index b1900c1..bd3f5d1 100644
--- a/hbase/pom.xml
+++ b/hbase/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-hbase</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: HBase interpreter</name>
 
   <properties>
diff --git a/helium-dev/pom.xml b/helium-dev/pom.xml
index d979e06..3879d2f 100644
--- a/helium-dev/pom.xml
+++ b/helium-dev/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>helium-dev</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Helium development interpreter</name>
 
   <properties>
diff --git a/ignite/pom.xml b/ignite/pom.xml
index d870b1a..0598880 100644
--- a/ignite/pom.xml
+++ b/ignite/pom.xml
@@ -23,13 +23,13 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <artifactId>zeppelin-ignite</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Apache Ignite interpreter</name>
 
   <properties>
diff --git a/java/pom.xml b/java/pom.xml
index 2c4781a..3e0376e 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
   
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-java</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Java interpreter</name>
   
   <properties>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 0523199..11162f0 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-jdbc</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: JDBC interpreter</name>
 
   <profiles>
diff --git a/kotlin/pom.xml b/kotlin/pom.xml
index 6ab34f6..d71ee37 100644
--- a/kotlin/pom.xml
+++ b/kotlin/pom.xml
@@ -22,14 +22,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-kotlin</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Kotlin interpreter</name>
 
     <properties>
diff --git a/ksql/pom.xml b/ksql/pom.xml
index b3b25b1..9cd04ec 100644
--- a/ksql/pom.xml
+++ b/ksql/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-ksql</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Kafka SQL interpreter</name>
 
   <properties>
diff --git a/kylin/pom.xml b/kylin/pom.xml
index 5bb8d58..6cbdab4 100644
--- a/kylin/pom.xml
+++ b/kylin/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-kylin</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Kylin interpreter</name>
 
     <properties>
diff --git a/lens/pom.xml b/lens/pom.xml
index 103da66..bd24f59 100644
--- a/lens/pom.xml
+++ b/lens/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-lens</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Lens interpreter</name>
   
   <properties>
diff --git a/livy/pom.xml b/livy/pom.xml
index 6049da8..102bdc2 100644
--- a/livy/pom.xml
+++ b/livy/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-livy</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Livy interpreter</name>
 
     <properties>
diff --git a/markdown/pom.xml b/markdown/pom.xml
index 2461d49..fd729b9 100644
--- a/markdown/pom.xml
+++ b/markdown/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-markdown</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Markdown interpreter</name>
 
   <properties>
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index b3b4c1a..2066c88 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-mongodb</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: MongoDB interpreter</name>
 
     <properties>
diff --git a/neo4j/pom.xml b/neo4j/pom.xml
index f1b0549..6d19392 100644
--- a/neo4j/pom.xml
+++ b/neo4j/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-neo4j</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Neo4j interpreter</name>
   
   <properties>
diff --git a/pig/pom.xml b/pig/pom.xml
index fd136e3..cf40938 100644
--- a/pig/pom.xml
+++ b/pig/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-pig</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Apache Pig Interpreter</name>
     <description>Zeppelin interpreter for Apache Pig</description>
     <url>https://zeppelin.apache.org</url>
diff --git a/pom.xml b/pom.xml
index 6090865..d7d841f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin</artifactId>
   <packaging>pom</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin</name>
   <description>Zeppelin project</description>
   <url>https://zeppelin.apache.org</url>
diff --git a/python/pom.xml b/python/pom.xml
index 89d76ac..8bd6a9b 100644
--- a/python/pom.xml
+++ b/python/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-python</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Python interpreter</name>
 
   <properties>
diff --git a/rlang/pom.xml b/rlang/pom.xml
index 66abdf1..9792ce3 100644
--- a/rlang/pom.xml
+++ b/rlang/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>r</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: R</name>
     <description>Zeppelin R support</description>
 
diff --git a/sap/pom.xml b/sap/pom.xml
index 7bc8d72..9d9c040 100644
--- a/sap/pom.xml
+++ b/sap/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>sap</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Sap</name>
     <description>Zeppelin SAP support</description>
 
diff --git a/scalding/pom.xml b/scalding/pom.xml
index e361810..255b049 100644
--- a/scalding/pom.xml
+++ b/scalding/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-scalding_2.10</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Scalding interpreter</name>
 
   <properties>
diff --git a/scio/pom.xml b/scio/pom.xml
index 9687326..ee5dddb 100644
--- a/scio/pom.xml
+++ b/scio/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-scio</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Scio</name>
   <description>Zeppelin Scio support</description>
 
diff --git a/scripts/docker/zeppelin/bin/Dockerfile b/scripts/docker/zeppelin/bin/Dockerfile
index 3aa1654..a96b42a 100644
--- a/scripts/docker/zeppelin/bin/Dockerfile
+++ b/scripts/docker/zeppelin/bin/Dockerfile
@@ -17,7 +17,7 @@
 MAINTAINER Apache Software Foundation <dev@zeppelin.apache.org>
 
 # `Z_VERSION` will be updated by `dev/change_zeppelin_version.sh`
-ENV Z_VERSION="0.9.0-SNAPSHOT"
+ENV Z_VERSION="0.9.0-preview1"
 
 ENV LOG_TAG="[ZEPPELIN_${Z_VERSION}]:" \
     Z_HOME="/zeppelin" \
diff --git a/shell/pom.xml b/shell/pom.xml
index 19c9cf3..1a5c466 100644
--- a/shell/pom.xml
+++ b/shell/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-shell</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Shell interpreter</name>
 
   <properties>
diff --git a/spark/interpreter/pom.xml b/spark/interpreter/pom.xml
index a3fa21a..050fcc8 100644
--- a/spark/interpreter/pom.xml
+++ b/spark/interpreter/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-interpreter</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Spark Interpreter</name>
   <description>Zeppelin spark support</description>
 
diff --git a/spark/pom.xml b/spark/pom.xml
index bb2eb48..bd51681 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-parent</artifactId>
     <packaging>pom</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Spark Parent</name>
     <description>Zeppelin Spark Support</description>
 
diff --git a/spark/scala-2.10/pom.xml b/spark/scala-2.10/pom.xml
index 6c496f6..40a7d62 100644
--- a/spark/scala-2.10/pom.xml
+++ b/spark/scala-2.10/pom.xml
@@ -20,14 +20,14 @@
   <parent>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../spark-scala-parent/pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-scala-2.10</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark Interpreter Scala_2.10</name>
 
diff --git a/spark/scala-2.11/pom.xml b/spark/scala-2.11/pom.xml
index 3cab223..7a1eba5 100644
--- a/spark/scala-2.11/pom.xml
+++ b/spark/scala-2.11/pom.xml
@@ -20,14 +20,14 @@
   <parent>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../spark-scala-parent/pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-scala-2.11</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark Interpreter Scala_2.11</name>
 
diff --git a/spark/scala-2.12/pom.xml b/spark/scala-2.12/pom.xml
index 5cbc657..51f62e7 100644
--- a/spark/scala-2.12/pom.xml
+++ b/spark/scala-2.12/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../spark-scala-parent/pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-scala-2.12</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark Interpreter Scala_2.12</name>
 
diff --git a/spark/spark-dependencies/pom.xml b/spark/spark-dependencies/pom.xml
index 8c176d8..d28b276 100644
--- a/spark/spark-dependencies/pom.xml
+++ b/spark/spark-dependencies/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-spark-dependencies</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Spark dependencies</name>
   <description>Zeppelin spark support</description>
 
diff --git a/spark/spark-scala-parent/pom.xml b/spark/spark-scala-parent/pom.xml
index 7b2a589..39a400a 100644
--- a/spark/spark-scala-parent/pom.xml
+++ b/spark/spark-scala-parent/pom.xml
@@ -22,14 +22,14 @@
     <parent>
         <groupId>org.apache.zeppelin</groupId>
         <artifactId>zeppelin-interpreter-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <packaging>pom</packaging>
     <name>Zeppelin: Spark Scala Parent</name>
 
diff --git a/spark/spark-shims/pom.xml b/spark/spark-shims/pom.xml
index 9568048..c16628b 100644
--- a/spark/spark-shims/pom.xml
+++ b/spark/spark-shims/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-shims</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark Shims</name>
 
diff --git a/spark/spark1-shims/pom.xml b/spark/spark1-shims/pom.xml
index a1bb832..0f16eba 100644
--- a/spark/spark1-shims/pom.xml
+++ b/spark/spark1-shims/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark1-shims</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark1 Shims</name>
 
diff --git a/spark/spark2-shims/pom.xml b/spark/spark2-shims/pom.xml
index 83b5153..212c4c4 100644
--- a/spark/spark2-shims/pom.xml
+++ b/spark/spark2-shims/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark2-shims</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark2 Shims</name>
 
diff --git a/spark/spark3-shims/pom.xml b/spark/spark3-shims/pom.xml
index 645a83e..4764faf 100644
--- a/spark/spark3-shims/pom.xml
+++ b/spark/spark3-shims/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark3-shims</artifactId>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark3 Shims</name>
 
diff --git a/sparql/pom.xml b/sparql/pom.xml
index abf6bc6..6b2d28f 100644
--- a/sparql/pom.xml
+++ b/sparql/pom.xml
@@ -22,14 +22,14 @@
     <parent>
         <artifactId>zeppelin-interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
     </parent>
     
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-sparql</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Sparql interpreter</name>
     <description>Zeppelin sparql support</description>
 
diff --git a/submarine/pom.xml b/submarine/pom.xml
index 3d5de0b..0132b94 100644
--- a/submarine/pom.xml
+++ b/submarine/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-submarine</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Submarine interpreter</name>
 
   <properties>
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.apache.zeppelin</groupId>
       <artifactId>zeppelin-python</artifactId>
-      <version>0.9.0-SNAPSHOT</version>
+      <version>0.9.0-preview1</version>
     </dependency>
     <dependency>
       <groupId>org.apache.zeppelin</groupId>
@@ -71,7 +71,7 @@
     <dependency>
       <groupId>org.apache.zeppelin</groupId>
       <artifactId>zeppelin-shell</artifactId>
-      <version>0.9.0-SNAPSHOT</version>
+      <version>0.9.0-preview1</version>
     </dependency>
     <dependency>
       <groupId>org.hamcrest</groupId>
diff --git a/zeppelin-display/pom.xml b/zeppelin-display/pom.xml
index 0a222ac..92c4d4e 100644
--- a/zeppelin-display/pom.xml
+++ b/zeppelin-display/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-display</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Display system apis</name>
 
   <properties>
diff --git a/zeppelin-distribution/pom.xml b/zeppelin-distribution/pom.xml
index 831680c..db84b3f 100644
--- a/zeppelin-distribution/pom.xml
+++ b/zeppelin-distribution/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/zeppelin-examples/pom.xml b/zeppelin-examples/pom.xml
index 26e5bb9..9b9b5d5 100644
--- a/zeppelin-examples/pom.xml
+++ b/zeppelin-examples/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-examples</artifactId>
   <packaging>pom</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Examples</name>
   <description>Zeppelin examples</description>
 
diff --git a/zeppelin-examples/zeppelin-example-clock/pom.xml b/zeppelin-examples/zeppelin-example-clock/pom.xml
index 4485f0c..f56aa39 100644
--- a/zeppelin-examples/zeppelin-example-clock/pom.xml
+++ b/zeppelin-examples/zeppelin-example-clock/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-clock</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Example application - Clock</name>
 
   <dependencies>
diff --git a/zeppelin-examples/zeppelin-example-clock/zeppelin-example-clock.json b/zeppelin-examples/zeppelin-example-clock/zeppelin-example-clock.json
index 34701ac..d8baee0 100644
--- a/zeppelin-examples/zeppelin-example-clock/zeppelin-example-clock.json
+++ b/zeppelin-examples/zeppelin-example-clock/zeppelin-example-clock.json
@@ -18,7 +18,7 @@
   "type" : "APPLICATION",
   "name" : "zeppelin.clock",
   "description" : "Clock (example)",
-  "artifact" : "zeppelin-examples/zeppelin-example-clock/target/zeppelin-example-clock-0.9.0-SNAPSHOT.jar",
+  "artifact" : "zeppelin-examples/zeppelin-example-clock/target/zeppelin-example-clock-0.9.0-preview1.jar",
   "className" : "org.apache.zeppelin.example.app.clock.Clock",
   "resources" : [[":java.util.Date"]],
   "license" : "Apache-2.0",
diff --git a/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml b/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml
index 05847df..ab285a4 100644
--- a/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml
+++ b/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-horizontalbar</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Example application - Horizontal Bar chart</name>
 
   <dependencies>
diff --git a/zeppelin-examples/zeppelin-example-spell-echo/pom.xml b/zeppelin-examples/zeppelin-example-spell-echo/pom.xml
index 02269b3..1d4be91 100644
--- a/zeppelin-examples/zeppelin-example-spell-echo/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-echo/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-echo</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Example Spell - Echo</name>
 
   <dependencies>
diff --git a/zeppelin-examples/zeppelin-example-spell-flowchart/pom.xml b/zeppelin-examples/zeppelin-example-spell-flowchart/pom.xml
index 1db673c..3d89364 100644
--- a/zeppelin-examples/zeppelin-example-spell-flowchart/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-flowchart/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-flowchart</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Example Spell - Flowchart</name>
 
   <dependencies>
diff --git a/zeppelin-examples/zeppelin-example-spell-markdown/pom.xml b/zeppelin-examples/zeppelin-example-spell-markdown/pom.xml
index 17449af..93e9399 100644
--- a/zeppelin-examples/zeppelin-example-spell-markdown/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-markdown/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-markdown</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Example Spell - Markdown</name>
 
   <dependencies>
diff --git a/zeppelin-examples/zeppelin-example-spell-translator/pom.xml b/zeppelin-examples/zeppelin-example-spell-translator/pom.xml
index cb95b84..51bd952 100644
--- a/zeppelin-examples/zeppelin-example-spell-translator/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-translator/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-translator</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Example Spell - Translator</name>
 
   <dependencies>
diff --git a/zeppelin-integration/pom.xml b/zeppelin-integration/pom.xml
index 47e3494..ee48c88 100644
--- a/zeppelin-integration/pom.xml
+++ b/zeppelin-integration/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-integration</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Integration Test</name>
 
   <!-- See https://github.com/eirslett/frontend-maven-plugin/issues/229 -->
diff --git a/zeppelin-interpreter-integration/pom.xml b/zeppelin-interpreter-integration/pom.xml
index fc0dc85..2956d0d 100644
--- a/zeppelin-interpreter-integration/pom.xml
+++ b/zeppelin-interpreter-integration/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-interpreter-integration</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Interpreter Integration Test</name>
 
   <!-- See https://github.com/eirslett/frontend-maven-plugin/issues/229 -->
diff --git a/zeppelin-interpreter-parent/pom.xml b/zeppelin-interpreter-parent/pom.xml
index 800f0fb..a29c630 100644
--- a/zeppelin-interpreter-parent/pom.xml
+++ b/zeppelin-interpreter-parent/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-interpreter-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Interpreter Parent</name>
 
   <dependencies>
diff --git a/zeppelin-interpreter-shaded/pom.xml b/zeppelin-interpreter-shaded/pom.xml
index dac8bea..f9957d3 100644
--- a/zeppelin-interpreter-shaded/pom.xml
+++ b/zeppelin-interpreter-shaded/pom.xml
@@ -24,14 +24,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-interpreter-shaded</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Interpreter Shaded</name>
   <description>Zeppelin Interpreter Shaded</description>
 
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>org.apache.zeppelin</groupId>
       <artifactId>zeppelin-interpreter</artifactId>
-      <version>0.9.0-SNAPSHOT</version>
+      <version>0.9.0-preview1</version>
       <optional>true</optional>
     </dependency>
   </dependencies>
diff --git a/zeppelin-interpreter/pom.xml b/zeppelin-interpreter/pom.xml
index b3f4269..e8bcac2 100644
--- a/zeppelin-interpreter/pom.xml
+++ b/zeppelin-interpreter/pom.xml
@@ -24,14 +24,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-interpreter</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Interpreter</name>
   <description>Zeppelin Interpreter</description>
 
diff --git a/zeppelin-jupyter-interpreter-shaded/pom.xml b/zeppelin-jupyter-interpreter-shaded/pom.xml
index 509e82f..80759fa 100644
--- a/zeppelin-jupyter-interpreter-shaded/pom.xml
+++ b/zeppelin-jupyter-interpreter-shaded/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-jupyter-interpreter-shaded</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Jupyter Interpreter Shaded</name>
 
   <dependencies>
diff --git a/zeppelin-jupyter-interpreter/pom.xml b/zeppelin-jupyter-interpreter/pom.xml
index 2ba7659..ec22720 100644
--- a/zeppelin-jupyter-interpreter/pom.xml
+++ b/zeppelin-jupyter-interpreter/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin-interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../zeppelin-interpreter-parent/pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-jupyter-interpreter</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Jupyter Interpreter</name>
 
   <properties>
diff --git a/zeppelin-jupyter/pom.xml b/zeppelin-jupyter/pom.xml
index f6abc86..4a5b53b 100644
--- a/zeppelin-jupyter/pom.xml
+++ b/zeppelin-jupyter/pom.xml
@@ -24,13 +24,13 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <artifactId>zeppelin-jupyter</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Jupyter Support</name>
   <description>Jupyter support for Apache Zeppelin</description>
 
diff --git a/zeppelin-plugins/launcher/cluster/pom.xml b/zeppelin-plugins/launcher/cluster/pom.xml
index 08b03be..f0e8bcf 100644
--- a/zeppelin-plugins/launcher/cluster/pom.xml
+++ b/zeppelin-plugins/launcher/cluster/pom.xml
@@ -25,14 +25,14 @@
   <parent>
     <artifactId>zengine-plugins-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../../../zeppelin-plugins</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>launcher-cluster</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Plugin Cluster Launcher</name>
   <description>Launcher implementation to run interpreters on cluster</description>
 
@@ -44,7 +44,7 @@
     <dependency>
       <groupId>org.apache.zeppelin</groupId>
       <artifactId>launcher-docker</artifactId>
-      <version>0.9.0-SNAPSHOT</version>
+      <version>0.9.0-preview1</version>
     </dependency>
   </dependencies>
 
diff --git a/zeppelin-plugins/launcher/docker/pom.xml b/zeppelin-plugins/launcher/docker/pom.xml
index b9a47cb..fff0030 100644
--- a/zeppelin-plugins/launcher/docker/pom.xml
+++ b/zeppelin-plugins/launcher/docker/pom.xml
@@ -25,14 +25,14 @@
   <parent>
     <artifactId>zengine-plugins-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../../../zeppelin-plugins</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>launcher-docker</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Plugin Docker Launcher</name>
   <description>Launcher implementation to run interpreters on docker</description>
 
diff --git a/zeppelin-plugins/launcher/flink/pom.xml b/zeppelin-plugins/launcher/flink/pom.xml
index 9aeabf2..8ec2873 100644
--- a/zeppelin-plugins/launcher/flink/pom.xml
+++ b/zeppelin-plugins/launcher/flink/pom.xml
@@ -25,14 +25,14 @@
   <parent>
     <artifactId>zengine-plugins-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>../../../zeppelin-plugins</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>launcher-flink</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Plugin Flink Launcher</name>
   <description>Launcher implementation to run flink</description>
 
diff --git a/zeppelin-plugins/launcher/k8s-standard/pom.xml b/zeppelin-plugins/launcher/k8s-standard/pom.xml
index a5a385c..52c8b8f 100644
--- a/zeppelin-plugins/launcher/k8s-standard/pom.xml
+++ b/zeppelin-plugins/launcher/k8s-standard/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>launcher-k8s-standard</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin Kubernetes StandardLauncher</name>
     <description>Launcher implementation to run interpreters on Kubernetes</description>
 
diff --git a/zeppelin-plugins/notebookrepo/azure/pom.xml b/zeppelin-plugins/notebookrepo/azure/pom.xml
index a499e53..9285d58 100644
--- a/zeppelin-plugins/notebookrepo/azure/pom.xml
+++ b/zeppelin-plugins/notebookrepo/azure/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-azure</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin AzureNotebookRepo</name>
     <description>NotebookRepo implementation based on Azure</description>
 
diff --git a/zeppelin-plugins/notebookrepo/filesystem/pom.xml b/zeppelin-plugins/notebookrepo/filesystem/pom.xml
index c319ced..f14c4cf 100644
--- a/zeppelin-plugins/notebookrepo/filesystem/pom.xml
+++ b/zeppelin-plugins/notebookrepo/filesystem/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-filesystem</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin FileSystemNotebookRepo</name>
     <description>NotebookRepo implementation based on Hadoop FileSystem</description>
 
diff --git a/zeppelin-plugins/notebookrepo/gcs/pom.xml b/zeppelin-plugins/notebookrepo/gcs/pom.xml
index 5494151..162ed13 100644
--- a/zeppelin-plugins/notebookrepo/gcs/pom.xml
+++ b/zeppelin-plugins/notebookrepo/gcs/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-gcs</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin GCSNotebookRepo</name>
     <description>NotebookRepo implementation based on Google Cloud Storage</description>
 
diff --git a/zeppelin-plugins/notebookrepo/github/pom.xml b/zeppelin-plugins/notebookrepo/github/pom.xml
index 1b7232c..b4d8475 100644
--- a/zeppelin-plugins/notebookrepo/github/pom.xml
+++ b/zeppelin-plugins/notebookrepo/github/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-github</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin GitHubNotebookRepo</name>
     <description>NotebookRepo implementation based on GitHub</description>
 
diff --git a/zeppelin-plugins/notebookrepo/mongo/pom.xml b/zeppelin-plugins/notebookrepo/mongo/pom.xml
index dcd19a6..e342724 100644
--- a/zeppelin-plugins/notebookrepo/mongo/pom.xml
+++ b/zeppelin-plugins/notebookrepo/mongo/pom.xml
@@ -25,13 +25,13 @@
     <parent>
         <groupId>org.apache.zeppelin</groupId>
         <artifactId>zengine-plugins-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <artifactId>notebookrepo-mongo</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
 
     <name>Zeppelin: Plugin MongoNotebookRepo</name>
     <description>NotebookRepo implementation based on MongoDB</description>
diff --git a/zeppelin-plugins/notebookrepo/oss/pom.xml b/zeppelin-plugins/notebookrepo/oss/pom.xml
index 9176009..fcf2040 100644
--- a/zeppelin-plugins/notebookrepo/oss/pom.xml
+++ b/zeppelin-plugins/notebookrepo/oss/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-oss</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin OSSNotebookRepo</name>
     <description>NotebookRepo implementation based on Aliyun OSS</description>
 
diff --git a/zeppelin-plugins/notebookrepo/s3/pom.xml b/zeppelin-plugins/notebookrepo/s3/pom.xml
index 744840e..e81e8c3 100644
--- a/zeppelin-plugins/notebookrepo/s3/pom.xml
+++ b/zeppelin-plugins/notebookrepo/s3/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-s3</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin S3NotebookRepo</name>
     <description>NotebookRepo implementation based on S3</description>
 
diff --git a/zeppelin-plugins/notebookrepo/zeppelin-hub/pom.xml b/zeppelin-plugins/notebookrepo/zeppelin-hub/pom.xml
index e401b5b..94f9644 100644
--- a/zeppelin-plugins/notebookrepo/zeppelin-hub/pom.xml
+++ b/zeppelin-plugins/notebookrepo/zeppelin-hub/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zengine-plugins-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>../../../zeppelin-plugins</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>notebookrepo-zeppelin-hub</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugin ZeppelinHubRepo</name>
     <description>NotebookRepo implementation based on Zeppelin Hub</description>
 
diff --git a/zeppelin-plugins/pom.xml b/zeppelin-plugins/pom.xml
index 5629f16..05fe224 100644
--- a/zeppelin-plugins/pom.xml
+++ b/zeppelin-plugins/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>zeppelin</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0-preview1</version>
         <relativePath>..</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zengine-plugins-parent</artifactId>
     <packaging>pom</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <name>Zeppelin: Plugins Parent</name>
     <description>Zeppelin Plugins Parent</description>
 
diff --git a/zeppelin-server/pom.xml b/zeppelin-server/pom.xml
index 9d5451c..4303ce0 100644
--- a/zeppelin-server/pom.xml
+++ b/zeppelin-server/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-server</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Server</name>
 
   <properties>
diff --git a/zeppelin-web-angular/pom.xml b/zeppelin-web-angular/pom.xml
index cae5214..d2e21a8 100644
--- a/zeppelin-web-angular/pom.xml
+++ b/zeppelin-web-angular/pom.xml
@@ -18,14 +18,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-web-angular</artifactId>
   <packaging>war</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: web angular Application</name>
 
   <!-- See https://github.com/eirslett/frontend-maven-plugin/issues/229 -->
diff --git a/zeppelin-web/pom.xml b/zeppelin-web/pom.xml
index 38a1983..8d58615 100644
--- a/zeppelin-web/pom.xml
+++ b/zeppelin-web/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-web</artifactId>
   <packaging>war</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: web Application</name>
 
   <!-- See https://github.com/eirslett/frontend-maven-plugin/issues/229 -->
diff --git a/zeppelin-web/src/app/spell/package.json b/zeppelin-web/src/app/spell/package.json
index 3962887..8ce069e 100644
--- a/zeppelin-web/src/app/spell/package.json
+++ b/zeppelin-web/src/app/spell/package.json
@@ -1,7 +1,7 @@
 {
   "name": "zeppelin-spell",
   "description": "Zeppelin Spell Framework",
-  "version": "0.9.0-SNAPSHOT",
+  "version": "0.9.0-preview1",
   "main": "index",
   "dependencies": {
   },
diff --git a/zeppelin-web/src/app/tabledata/package.json b/zeppelin-web/src/app/tabledata/package.json
index a4d062e..44393d1 100644
--- a/zeppelin-web/src/app/tabledata/package.json
+++ b/zeppelin-web/src/app/tabledata/package.json
@@ -1,7 +1,7 @@
 {
   "name": "zeppelin-tabledata",
   "description": "tabledata api",
-  "version": "0.9.0-SNAPSHOT",
+  "version": "0.9.0-preview1",
   "main": "tabledata",
   "dependencies": {
     "json3": "~3.3.1",
diff --git a/zeppelin-web/src/app/visualization/package.json b/zeppelin-web/src/app/visualization/package.json
index 661eb82..fd3486e 100644
--- a/zeppelin-web/src/app/visualization/package.json
+++ b/zeppelin-web/src/app/visualization/package.json
@@ -1,7 +1,7 @@
 {
   "name": "zeppelin-vis",
   "description": "Visualization API",
-  "version": "0.9.0-SNAPSHOT",
+  "version": "0.9.0-preview1",
   "main": "visualization",
   "dependencies": {
     "json3": "~3.3.1",
diff --git a/zeppelin-zengine/pom.xml b/zeppelin-zengine/pom.xml
index da320a8..ee6a4d2 100644
--- a/zeppelin-zengine/pom.xml
+++ b/zeppelin-zengine/pom.xml
@@ -24,14 +24,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0-preview1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-zengine</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.0-SNAPSHOT</version>
+  <version>0.9.0-preview1</version>
   <name>Zeppelin: Zengine</name>
   <description>Zeppelin Zengine</description>