diff --git a/modules/distribution/pom.xml b/modules/distribution/pom.xml
index fb560e3c9..5230479d4 100644
--- a/modules/distribution/pom.xml
+++ b/modules/distribution/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.wso2.ei</groupId>
         <artifactId>wso2-streaming-integrator-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/pom.xml b/modules/integration/pom.xml
index 8115a404b..7ac569cf7 100644
--- a/modules/integration/pom.xml
+++ b/modules/integration/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.ei</groupId>
         <artifactId>wso2-streaming-integrator-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/performance/pom.xml b/modules/performance/pom.xml
index 82c9b61fe..f17417912 100644
--- a/modules/performance/pom.xml
+++ b/modules/performance/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.ei</groupId>
         <artifactId>wso2-streaming-integrator-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/tests/pom.xml b/modules/tests/pom.xml
index f257989b9..20017f6ed 100644
--- a/modules/tests/pom.xml
+++ b/modules/tests/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.ei</groupId>
         <artifactId>wso2-streaming-integrator-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 74aaf5420..19be9d958 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
     <groupId>org.wso2.ei</groupId>
     <artifactId>wso2-streaming-integrator-parent</artifactId>
     <packaging>pom</packaging>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <name>WSO2 Streaming Integrator - Parent</name>
 
     <url>http://wso2.org</url>
@@ -37,7 +37,7 @@
         <url>https://github.com/wso2/streaming-integrator.git</url>
         <developerConnection>scm:git:https://github.com/wso2/streaming-integrator.git</developerConnection>
         <connection>scm:git:https://github.com/wso2/streaming-integrator.git</connection>
-        <tag>HEAD</tag>
+        <tag>v4.0.0-alpha</tag>
     </scm>
 
     <dependencyManagement>