Preparing Apache Zeppelin release 0.8.1
diff --git a/alluxio/pom.xml b/alluxio/pom.xml
index acef494..92997cb 100644
--- a/alluxio/pom.xml
+++ b/alluxio/pom.xml
@@ -22,14 +22,14 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-alluxio</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <name>Zeppelin: Alluxio interpreter</name>
 
     <properties>
diff --git a/angular/pom.xml b/angular/pom.xml
index 341d7d5..f56921f 100644
--- a/angular/pom.xml
+++ b/angular/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-angular</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Angular interpreter</name>
 
   <properties>
diff --git a/beam/pom.xml b/beam/pom.xml
index 7592e77..fb6e3f7 100644
--- a/beam/pom.xml
+++ b/beam/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
   
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-beam</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Beam interpreter</name>
   
   <properties>
diff --git a/bigquery/pom.xml b/bigquery/pom.xml
index f387717..6e84604 100644
--- a/bigquery/pom.xml
+++ b/bigquery/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-bigquery</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: BigQuery interpreter</name>
 
   <properties>
diff --git a/cassandra/pom.xml b/cassandra/pom.xml
index 2be0606..a8f198b 100644
--- a/cassandra/pom.xml
+++ b/cassandra/pom.xml
@@ -22,14 +22,14 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-cassandra_2.10</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <name>Zeppelin: Apache Cassandra interpreter</name>
     <description>Zeppelin cassandra support</description>
 
diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index 3b7c2b5..4acd505 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -22,13 +22,13 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <artifactId>zeppelin-elasticsearch</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Elasticsearch interpreter</name>
 
   <properties>
diff --git a/file/pom.xml b/file/pom.xml
index 1ea8eac..a3ae244 100644
--- a/file/pom.xml
+++ b/file/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-file</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: File System Interpreters</name>
 
   <properties>
diff --git a/flink/pom.xml b/flink/pom.xml
index 47bd287..5dd989a 100644
--- a/flink/pom.xml
+++ b/flink/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-flink_2.10</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Flink</name>
   <description>Zeppelin flink support</description>
 
diff --git a/geode/pom.xml b/geode/pom.xml
index 59c16b7..2a72a38 100644
--- a/geode/pom.xml
+++ b/geode/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-geode</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Apache Geode interpreter</name>
 
   <properties>
diff --git a/groovy/pom.xml b/groovy/pom.xml
index 7dc4282..03792fe 100644
--- a/groovy/pom.xml
+++ b/groovy/pom.xml
@@ -23,14 +23,14 @@
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
     <!--version>0.6.2</version-->
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-groovy</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Groovy interpreter</name>
 
   <properties>
diff --git a/hbase/pom.xml b/hbase/pom.xml
index 6bf1a80..d286362 100644
--- a/hbase/pom.xml
+++ b/hbase/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-hbase</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: HBase interpreter</name>
 
   <properties>
diff --git a/helium-dev/pom.xml b/helium-dev/pom.xml
index 8445b4d..8da1f8e 100644
--- a/helium-dev/pom.xml
+++ b/helium-dev/pom.xml
@@ -24,13 +24,13 @@
   <parent>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>interpreter-parent</artifactId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>helium-dev</artifactId>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Helium development interpreter</name>
 
   <properties>
diff --git a/ignite/pom.xml b/ignite/pom.xml
index 31df05e..57e718d 100644
--- a/ignite/pom.xml
+++ b/ignite/pom.xml
@@ -22,13 +22,13 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <artifactId>zeppelin-ignite_2.10</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Apache Ignite interpreter</name>
 
   <properties>
diff --git a/interpreter-parent/pom.xml b/interpreter-parent/pom.xml
index 3383791..725c86a 100644
--- a/interpreter-parent/pom.xml
+++ b/interpreter-parent/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>interpreter-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Interpreter Parent</name>
 
   <dependencyManagement>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 58de181..751e753 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-jdbc</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: JDBC interpreter</name>
 
   <profiles>
diff --git a/kylin/pom.xml b/kylin/pom.xml
index 1690ec2..b36b398 100644
--- a/kylin/pom.xml
+++ b/kylin/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -31,7 +31,7 @@
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-kylin</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <name>Zeppelin: Kylin interpreter</name>
 
     <properties>
diff --git a/lens/pom.xml b/lens/pom.xml
index c678287..6c2830a 100644
--- a/lens/pom.xml
+++ b/lens/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-lens</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Lens interpreter</name>
   
   <properties>
diff --git a/livy/pom.xml b/livy/pom.xml
index 33c327b..b43ef98 100644
--- a/livy/pom.xml
+++ b/livy/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-livy</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <name>Zeppelin: Livy interpreter</name>
 
     <properties>
diff --git a/markdown/pom.xml b/markdown/pom.xml
index cf8e766..b5fdeb0 100644
--- a/markdown/pom.xml
+++ b/markdown/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-markdown</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Markdown interpreter</name>
 
   <properties>
diff --git a/neo4j/pom.xml b/neo4j/pom.xml
index 6883bdd..c230bfe 100644
--- a/neo4j/pom.xml
+++ b/neo4j/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-neo4j</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Neo4j interpreter</name>
   
   <properties>
diff --git a/pig/pom.xml b/pig/pom.xml
index 06a58bb..62bf86b 100644
--- a/pig/pom.xml
+++ b/pig/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>zeppelin-pig</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <name>Zeppelin: Apache Pig Interpreter</name>
     <description>Zeppelin interpreter for Apache Pig</description>
     <url>http://zeppelin.apache.org</url>
diff --git a/pom.xml b/pom.xml
index 7016de2..61646d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin</artifactId>
   <packaging>pom</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin</name>
   <description>Zeppelin project</description>
   <url>http://zeppelin.apache.org</url>
diff --git a/python/pom.xml b/python/pom.xml
index 2e6912c..11a9837 100644
--- a/python/pom.xml
+++ b/python/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-python</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Python interpreter</name>
 
   <properties>
diff --git a/r/pom.xml b/r/pom.xml
index fc9fa66..f6acf24 100644
--- a/r/pom.xml
+++ b/r/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-zrinterpreter_${scala.binary.version}</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: R Interpreter</name>
   <description>R Interpreter for Zeppelin</description>
   <url>http://zeppelin.apache.org</url>
diff --git a/sap/pom.xml b/sap/pom.xml
index e75cc10..90c7c1f 100644
--- a/sap/pom.xml
+++ b/sap/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>sap</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <name>Zeppelin: Sap</name>
     <description>Zeppelin SAP support</description>
 
diff --git a/scalding/pom.xml b/scalding/pom.xml
index 051368f..2afa883 100644
--- a/scalding/pom.xml
+++ b/scalding/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-scalding_2.10</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Scalding interpreter</name>
 
   <properties>
diff --git a/scio/pom.xml b/scio/pom.xml
index 3c9281c..aa42b6d 100644
--- a/scio/pom.xml
+++ b/scio/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-scio_2.10</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Scio</name>
   <description>Zeppelin Scio support</description>
 
diff --git a/shell/pom.xml b/shell/pom.xml
index cd5a99b..2d1592f 100644
--- a/shell/pom.xml
+++ b/shell/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>interpreter-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../interpreter-parent</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-shell</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Shell interpreter</name>
 
   <properties>
diff --git a/spark/interpreter/pom.xml b/spark/interpreter/pom.xml
index 80997e88..ba4877f 100644
--- a/spark/interpreter/pom.xml
+++ b/spark/interpreter/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-interpreter</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Spark Interpreter</name>
   <description>Zeppelin spark support</description>
 
diff --git a/spark/pom.xml b/spark/pom.xml
index ef7fc43..f461fea 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -24,14 +24,14 @@
     <parent>
         <artifactId>interpreter-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../interpreter-parent/pom.xml</relativePath>
     </parent>
 
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-parent</artifactId>
     <packaging>pom</packaging>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</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 9b111da..d321c7d 100644
--- a/spark/scala-2.10/pom.xml
+++ b/spark/scala-2.10/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</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>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 190f710..493e26c 100644
--- a/spark/scala-2.11/pom.xml
+++ b/spark/scala-2.11/pom.xml
@@ -21,14 +21,14 @@
   <parent>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</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>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark Interpreter Scala_2.11</name>
 
diff --git a/spark/spark-dependencies/pom.xml b/spark/spark-dependencies/pom.xml
index 89a10bd..509eee7 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>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-spark-dependencies</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 c3b03d3..7cc8edd 100644
--- a/spark/spark-scala-parent/pom.xml
+++ b/spark/spark-scala-parent/pom.xml
@@ -23,14 +23,14 @@
     <parent>
         <artifactId>spark-parent</artifactId>
         <groupId>org.apache.zeppelin</groupId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.zeppelin</groupId>
     <artifactId>spark-scala-parent</artifactId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</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 c4dda55..3a60c6d 100644
--- a/spark/spark-shims/pom.xml
+++ b/spark/spark-shims/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark-shims</artifactId>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark Shims</name>
 
diff --git a/spark/spark1-shims/pom.xml b/spark/spark1-shims/pom.xml
index 458f1d2..e833ad7 100644
--- a/spark/spark1-shims/pom.xml
+++ b/spark/spark1-shims/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark1-shims</artifactId>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark1 Shims</name>
 
diff --git a/spark/spark2-shims/pom.xml b/spark/spark2-shims/pom.xml
index 648ff38..1c6e17e 100644
--- a/spark/spark2-shims/pom.xml
+++ b/spark/spark2-shims/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>spark-parent</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>spark2-shims</artifactId>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <packaging>jar</packaging>
   <name>Zeppelin: Spark2 Shims</name>
 
diff --git a/zeppelin-display/pom.xml b/zeppelin-display/pom.xml
index 5db50f7..8e56fbc 100644
--- a/zeppelin-display/pom.xml
+++ b/zeppelin-display/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-display</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Display system apis</name>
 
   <properties>
diff --git a/zeppelin-distribution/pom.xml b/zeppelin-distribution/pom.xml
index 9545082..1ff11ff 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>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/zeppelin-examples/pom.xml b/zeppelin-examples/pom.xml
index 85387b7..6a229db 100644
--- a/zeppelin-examples/pom.xml
+++ b/zeppelin-examples/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-examples</artifactId>
   <packaging>pom</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 55333aa..c588bb2 100644
--- a/zeppelin-examples/zeppelin-example-clock/pom.xml
+++ b/zeppelin-examples/zeppelin-example-clock/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-clock</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Example application - Clock</name>
 
   <dependencies>
diff --git a/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml b/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml
index 29f4e38..8ce2f64 100644
--- a/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml
+++ b/zeppelin-examples/zeppelin-example-horizontalbar/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-horizontalbar</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 d76c281..1441d42 100644
--- a/zeppelin-examples/zeppelin-example-spell-echo/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-echo/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-echo</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 d84c887..156a77f 100644
--- a/zeppelin-examples/zeppelin-example-spell-flowchart/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-flowchart/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-flowchart</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 6760443..7faff12 100644
--- a/zeppelin-examples/zeppelin-example-spell-markdown/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-markdown/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-markdown</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</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 5279909..af1ac99 100644
--- a/zeppelin-examples/zeppelin-example-spell-translator/pom.xml
+++ b/zeppelin-examples/zeppelin-example-spell-translator/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin-examples</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-example-spell-translator</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Example Spell - Translator</name>
 
   <dependencies>
diff --git a/zeppelin-integration/pom.xml b/zeppelin-integration/pom.xml
index a2efef7..be8449a 100644
--- a/zeppelin-integration/pom.xml
+++ b/zeppelin-integration/pom.xml
@@ -24,14 +24,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-integration</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Integration Test</name>
 
   <!-- See https://github.com/eirslett/frontend-maven-plugin/issues/229 -->
diff --git a/zeppelin-interpreter/pom.xml b/zeppelin-interpreter/pom.xml
index 6fa650e..5b15e36 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>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-interpreter</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Interpreter</name>
   <description>Zeppelin Interpreter</description>
 
diff --git a/zeppelin-jupyter/pom.xml b/zeppelin-jupyter/pom.xml
index bc9ec5a..fab8582 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>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <artifactId>zeppelin-jupyter</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Jupyter Support</name>
   <description>Jupyter support for Apache Zeppelin</description>
 
diff --git a/zeppelin-server/pom.xml b/zeppelin-server/pom.xml
index 165123c..240d0ae 100644
--- a/zeppelin-server/pom.xml
+++ b/zeppelin-server/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-server</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Server</name>
 
   <properties>
diff --git a/zeppelin-web/pom.xml b/zeppelin-web/pom.xml
index 2bc22c0..4a34dc1 100644
--- a/zeppelin-web/pom.xml
+++ b/zeppelin-web/pom.xml
@@ -22,14 +22,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-web</artifactId>
   <packaging>war</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: web Application</name>
 
   <!-- See https://github.com/eirslett/frontend-maven-plugin/issues/229 -->
diff --git a/zeppelin-zengine/pom.xml b/zeppelin-zengine/pom.xml
index a438242..ffc4314 100644
--- a/zeppelin-zengine/pom.xml
+++ b/zeppelin-zengine/pom.xml
@@ -23,14 +23,14 @@
   <parent>
     <artifactId>zeppelin</artifactId>
     <groupId>org.apache.zeppelin</groupId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <relativePath>..</relativePath>
   </parent>
 
   <groupId>org.apache.zeppelin</groupId>
   <artifactId>zeppelin-zengine</artifactId>
   <packaging>jar</packaging>
-  <version>0.8.1-SNAPSHOT</version>
+  <version>0.8.1</version>
   <name>Zeppelin: Zengine</name>
   <description>Zeppelin Zengine</description>