diff --git a/pom.xml b/pom.xml
index 4f55800..c2cdb68 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
 
     <organization>
         <name>The Apache Software Foundation</name>
@@ -41,7 +41,7 @@
         <url>https://git-wip-us.apache.org/repos/asf/incubator-samoa.git</url>
         <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-samoa.git</connection>
         <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-samoa.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>v0.4.0-incubating</tag>
     </scm>
 
     <profiles>
diff --git a/samoa-api/pom.xml b/samoa-api/pom.xml
index f40a74e..9bbffb8 100644
--- a/samoa-api/pom.xml
+++ b/samoa-api/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <dependencies>
diff --git a/samoa-flink/pom.xml b/samoa-flink/pom.xml
index 5575643..641f183 100644
--- a/samoa-flink/pom.xml
+++ b/samoa-flink/pom.xml
@@ -33,7 +33,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
       <repositories>
diff --git a/samoa-instances/pom.xml b/samoa-instances/pom.xml
index 64ffcd8..b91f037 100644
--- a/samoa-instances/pom.xml
+++ b/samoa-instances/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 	<dependencies>
 		<dependency>
diff --git a/samoa-local/pom.xml b/samoa-local/pom.xml
index 4690778..9029218 100644
--- a/samoa-local/pom.xml
+++ b/samoa-local/pom.xml
@@ -31,7 +31,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <dependencies>
diff --git a/samoa-samza/pom.xml b/samoa-samza/pom.xml
index 945ae39..a73d94e 100644
--- a/samoa-samza/pom.xml
+++ b/samoa-samza/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <dependencies>
diff --git a/samoa-storm/pom.xml b/samoa-storm/pom.xml
index 4539261..d094274 100644
--- a/samoa-storm/pom.xml
+++ b/samoa-storm/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <repositories>
diff --git a/samoa-test/pom.xml b/samoa-test/pom.xml
index ec51712..17ce3a3 100644
--- a/samoa-test/pom.xml
+++ b/samoa-test/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <artifactId>samoa</artifactId>
     <groupId>org.apache.samoa</groupId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <dependencies>
diff --git a/samoa-threads/pom.xml b/samoa-threads/pom.xml
index 79d3dab..283ea26 100644
--- a/samoa-threads/pom.xml
+++ b/samoa-threads/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.samoa</groupId>
     <artifactId>samoa</artifactId>
-    <version>0.4.0-incubating-SNAPSHOT</version>
+    <version>0.4.0-incubating</version>
   </parent>
 
   <dependencies>