[ci skip] prepare release omid-0.9.0.0-rc1
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 1fcf04e..d526739 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-benchmarks</artifactId>
diff --git a/codahale-metrics/pom.xml b/codahale-metrics/pom.xml
index ab7c129..61a49a0 100644
--- a/codahale-metrics/pom.xml
+++ b/codahale-metrics/pom.xml
@@ -17,7 +17,7 @@
     <parent>
         <artifactId>omid</artifactId>
         <groupId>org.apache.omid</groupId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/commit-table/pom.xml b/commit-table/pom.xml
index 9b3e036..a31aede 100644
--- a/commit-table/pom.xml
+++ b/commit-table/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-commit-table</artifactId>
diff --git a/common/pom.xml b/common/pom.xml
index 70a8db3..a545787 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-common</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index 9d691e8..644db8d 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>omid</artifactId>
         <groupId>org.apache.omid</groupId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-examples</artifactId>
diff --git a/hbase-client/pom.xml b/hbase-client/pom.xml
index 050be34..92b1420 100644
--- a/hbase-client/pom.xml
+++ b/hbase-client/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase-client</artifactId>
diff --git a/hbase-commit-table/pom.xml b/hbase-commit-table/pom.xml
index 02566c1..06af6f0 100644
--- a/hbase-commit-table/pom.xml
+++ b/hbase-commit-table/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase-commit-table</artifactId>
diff --git a/hbase-common/pom.xml b/hbase-common/pom.xml
index 5285c88..7ff48fa 100644
--- a/hbase-common/pom.xml
+++ b/hbase-common/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase-common</artifactId>
diff --git a/hbase-coprocessor/pom.xml b/hbase-coprocessor/pom.xml
index ffac1fc..da139d6 100644
--- a/hbase-coprocessor/pom.xml
+++ b/hbase-coprocessor/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase-coprocessor</artifactId>
diff --git a/hbase-shims/hbase-0/pom.xml b/hbase-shims/hbase-0/pom.xml
index 8822b50..534df61 100644
--- a/hbase-shims/hbase-0/pom.xml
+++ b/hbase-shims/hbase-0/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid-shims-aggregator</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase0-shims</artifactId>
diff --git a/hbase-shims/hbase-1/pom.xml b/hbase-shims/hbase-1/pom.xml
index 7cbddde..f9775ad 100644
--- a/hbase-shims/hbase-1/pom.xml
+++ b/hbase-shims/hbase-1/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid-shims-aggregator</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase1-shims</artifactId>
diff --git a/hbase-shims/pom.xml b/hbase-shims/pom.xml
index 62037f5..2aad2a7 100644
--- a/hbase-shims/pom.xml
+++ b/hbase-shims/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-shims-aggregator</artifactId>
diff --git a/hbase-tools/pom.xml b/hbase-tools/pom.xml
index 5451535..ce4a348 100644
--- a/hbase-tools/pom.xml
+++ b/hbase-tools/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-hbase-tools</artifactId>
diff --git a/metrics/pom.xml b/metrics/pom.xml
index 182fadb..abbaab3 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>omid</artifactId>
         <groupId>org.apache.omid</groupId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-metrics</artifactId>
diff --git a/packaging/pom.xml b/packaging/pom.xml
index 69bb9fa..115dd06 100644
--- a/packaging/pom.xml
+++ b/packaging/pom.xml
@@ -19,11 +19,11 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-packaging</artifactId>
-    <version>0.9.0.0-SNAPSHOT</version>
+    <version>0.9.0.0</version>
     <packaging>pom</packaging>
     <name>Omid Packaging</name>
 
diff --git a/pom.xml b/pom.xml
index b3608d2..d68ff3d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
     <artifactId>omid</artifactId>
     <packaging>pom</packaging>
     <!-- WARNING: do not update version manually, use mvn versions:set -->
-    <version>0.9.0.0-SNAPSHOT</version>
+    <version>0.9.0.0</version>
 
     <organization>
         <name>Apache Software Foundation</name>
diff --git a/statemachine/pom.xml b/statemachine/pom.xml
index dab0053..9653b73 100644
--- a/statemachine/pom.xml
+++ b/statemachine/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <name>State Machine</name>
diff --git a/timestamp-storage/pom.xml b/timestamp-storage/pom.xml
index 2b6e609..73dbe43 100644
--- a/timestamp-storage/pom.xml
+++ b/timestamp-storage/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-timestamp-storage</artifactId>
diff --git a/transaction-client/pom.xml b/transaction-client/pom.xml
index ff17f13..ea76de8 100644
--- a/transaction-client/pom.xml
+++ b/transaction-client/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-transaction-client</artifactId>
diff --git a/tso-server/pom.xml b/tso-server/pom.xml
index f165d84..1d60a19 100644
--- a/tso-server/pom.xml
+++ b/tso-server/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.9.0.0-SNAPSHOT</version>
+        <version>0.9.0.0</version>
     </parent>
 
     <artifactId>omid-tso-server</artifactId>