[ci skip]prepare release omid-0.8.1.5
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 83f40a1..748f467 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>benchmarks</artifactId>
diff --git a/codahale-metrics/pom.xml b/codahale-metrics/pom.xml
index 1b94dc1..bc3d5a9 100644
--- a/codahale-metrics/pom.xml
+++ b/codahale-metrics/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>omid</artifactId>
         <groupId>com.yahoo.omid</groupId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/commit-table/pom.xml b/commit-table/pom.xml
index 128f89b..b676fd9 100644
--- a/commit-table/pom.xml
+++ b/commit-table/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>commit-table</artifactId>
diff --git a/common/pom.xml b/common/pom.xml
index e28bea1..c782ded 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>common</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index e17f74e..14f3780 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.yahoo.omid</groupId>
     <artifactId>examples</artifactId>
-    <version>0.8.1.5-SNAPSHOT</version>
+    <version>0.8.1.5</version>
     <name>Omid client examples</name>
     <description>Omid client examples</description>
 
diff --git a/hbase-client/pom.xml b/hbase-client/pom.xml
index 1dc6be9..27156ca 100644
--- a/hbase-client/pom.xml
+++ b/hbase-client/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>hbase-client</artifactId>
diff --git a/hbase-commit-table/pom.xml b/hbase-commit-table/pom.xml
index 84cb01c..6cf6e3e 100644
--- a/hbase-commit-table/pom.xml
+++ b/hbase-commit-table/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>hbase-commit-table</artifactId>
diff --git a/hbase-common/pom.xml b/hbase-common/pom.xml
index a4de0b3..d5e194a 100644
--- a/hbase-common/pom.xml
+++ b/hbase-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>hbase-common</artifactId>
diff --git a/hbase-coprocessor/pom.xml b/hbase-coprocessor/pom.xml
index 438d271..83127ab 100644
--- a/hbase-coprocessor/pom.xml
+++ b/hbase-coprocessor/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>hbase-coprocessor</artifactId>
diff --git a/hbase-shims/hbase-0/pom.xml b/hbase-shims/hbase-0/pom.xml
index f70e2f4..d1bc2b3 100644
--- a/hbase-shims/hbase-0/pom.xml
+++ b/hbase-shims/hbase-0/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid-shims-aggregator</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>hbase0-shims</artifactId>
diff --git a/hbase-shims/hbase-1/pom.xml b/hbase-shims/hbase-1/pom.xml
index ba957bf..bd5f7e3 100644
--- a/hbase-shims/hbase-1/pom.xml
+++ b/hbase-shims/hbase-1/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid-shims-aggregator</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>hbase1-shims</artifactId>
diff --git a/hbase-shims/pom.xml b/hbase-shims/pom.xml
index 0da4d4c..10896fa 100644
--- a/hbase-shims/pom.xml
+++ b/hbase-shims/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>omid-shims-aggregator</artifactId>
diff --git a/metrics/pom.xml b/metrics/pom.xml
index 5a0c793..aba7679 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>omid</artifactId>
         <groupId>com.yahoo.omid</groupId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>metrics</artifactId>
diff --git a/pom.xml b/pom.xml
index 6e18969..e73c24e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <artifactId>omid</artifactId>
     <packaging>pom</packaging>
     <!-- WARNING: do not update version manually, use mvn versions:set -->
-    <version>0.8.1.5-SNAPSHOT</version>
+    <version>0.8.1.5</version>
 
     <licenses>
         <license>
@@ -45,7 +45,7 @@
         <connection>scm:git:git://github.com/yahoo/omid.git</connection>
         <developerConnection>scm:git:https://${GH_TOKEN}@github.com/yahoo/omid.git</developerConnection>
         <url>https://github.com/yahoo/omid</url>
-        <tag>HEAD</tag>
+        <tag>omid-0.8.1.5</tag>
     </scm>
 
     <distributionManagement>
diff --git a/statemachine/pom.xml b/statemachine/pom.xml
index 7b1b949..4b31d1c 100644
--- a/statemachine/pom.xml
+++ b/statemachine/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <name>State Machine</name>
diff --git a/timestamp-storage/pom.xml b/timestamp-storage/pom.xml
index 60f1fee..47d9fa2 100644
--- a/timestamp-storage/pom.xml
+++ b/timestamp-storage/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>timestamp-storage</artifactId>
diff --git a/transaction-client/pom.xml b/transaction-client/pom.xml
index fa20c51..07d56c6 100644
--- a/transaction-client/pom.xml
+++ b/transaction-client/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>transaction-client</artifactId>
diff --git a/tso-server/pom.xml b/tso-server/pom.xml
index 789f9bd..3a76c69 100644
--- a/tso-server/pom.xml
+++ b/tso-server/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.yahoo.omid</groupId>
         <artifactId>omid</artifactId>
-        <version>0.8.1.5-SNAPSHOT</version>
+        <version>0.8.1.5</version>
     </parent>
 
     <artifactId>tso-server</artifactId>