diff --git a/modules/distribution/pom.xml b/modules/distribution/pom.xml
index 0e4efdba..9c0f56b9 100644
--- a/modules/distribution/pom.xml
+++ b/modules/distribution/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>wso2cep-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/features/pom.xml b/modules/features/pom.xml
index a5c62b79..01af8b0b 100644
--- a/modules/features/pom.xml
+++ b/modules/features/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2cep-parent</artifactId>
-    	<version>4.0.0-SNAPSHOT</version>
+    	<version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/features/product/org.wso2.cep.styles.feature/pom.xml b/modules/features/product/org.wso2.cep.styles.feature/pom.xml
index aa17ff09..4ba06dc6 100644
--- a/modules/features/product/org.wso2.cep.styles.feature/pom.xml
+++ b/modules/features/product/org.wso2.cep.styles.feature/pom.xml
@@ -20,12 +20,12 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>wso2cep-features</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>org.wso2.cep.styles.feature</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <packaging>pom</packaging>
     <name>WSO2 CEP - Styles Features</name>
     <url>http://wso2.org</url>
diff --git a/modules/features/product/pom.xml b/modules/features/product/pom.xml
index f58ca08a..ebae3896 100644
--- a/modules/features/product/pom.xml
+++ b/modules/features/product/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2cep-features-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/features/service/org.wso2.stratos.cep.dashboard.ui.feature/pom.xml b/modules/features/service/org.wso2.stratos.cep.dashboard.ui.feature/pom.xml
index 760540ac..5d448dc6 100644
--- a/modules/features/service/org.wso2.stratos.cep.dashboard.ui.feature/pom.xml
+++ b/modules/features/service/org.wso2.stratos.cep.dashboard.ui.feature/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>wso2stratos-cep-features</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/features/service/org.wso2.stratos.cep.styles.feature/pom.xml b/modules/features/service/org.wso2.stratos.cep.styles.feature/pom.xml
index d0deae08..1ad2ac06 100644
--- a/modules/features/service/org.wso2.stratos.cep.styles.feature/pom.xml
+++ b/modules/features/service/org.wso2.stratos.cep.styles.feature/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2stratos-cep-features</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/features/service/pom.xml b/modules/features/service/pom.xml
index b059d7e1..b262b40d 100644
--- a/modules/features/service/pom.xml
+++ b/modules/features/service/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2cep-features-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 d980ca34..47078cf6 100644
--- a/modules/integration/pom.xml
+++ b/modules/integration/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>wso2cep-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/tests-common/admin-clients/pom.xml b/modules/integration/tests-common/admin-clients/pom.xml
index e8e8e33e..f42c7752 100644
--- a/modules/integration/tests-common/admin-clients/pom.xml
+++ b/modules/integration/tests-common/admin-clients/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>integration-cep</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/tests-common/integration-test-utils/pom.xml b/modules/integration/tests-common/integration-test-utils/pom.xml
index dd2c03df..17239813 100644
--- a/modules/integration/tests-common/integration-test-utils/pom.xml
+++ b/modules/integration/tests-common/integration-test-utils/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>integration-cep</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/tests-common/test-artifacts/pom.xml b/modules/integration/tests-common/test-artifacts/pom.xml
index 70a1d377..6c047cd5 100644
--- a/modules/integration/tests-common/test-artifacts/pom.xml
+++ b/modules/integration/tests-common/test-artifacts/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>integration-cep</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/tests-common/ui-pages/pom.xml b/modules/integration/tests-common/ui-pages/pom.xml
index 8477a456..6fd17580 100644
--- a/modules/integration/tests-common/ui-pages/pom.xml
+++ b/modules/integration/tests-common/ui-pages/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>integration-cep</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/tests-integration/tests/pom.xml b/modules/integration/tests-integration/tests/pom.xml
index 9648e591..478dd4a6 100644
--- a/modules/integration/tests-integration/tests/pom.xml
+++ b/modules/integration/tests-integration/tests/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>integration-cep</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/tests-ui-integration/tests-ui/pom.xml b/modules/integration/tests-ui-integration/tests-ui/pom.xml
index 508d5c7c..cbe5bfe4 100644
--- a/modules/integration/tests-ui-integration/tests-ui/pom.xml
+++ b/modules/integration/tests-ui-integration/tests-ui/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>integration-cep</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/org.wso2.stratos.cep.dashboard.ui/pom.xml b/modules/org.wso2.stratos.cep.dashboard.ui/pom.xml
index c672f752..28ffbfb7 100644
--- a/modules/org.wso2.stratos.cep.dashboard.ui/pom.xml
+++ b/modules/org.wso2.stratos.cep.dashboard.ui/pom.xml
@@ -19,13 +19,13 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>wso2cep-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>org.wso2.stratos.cep.dashboard.ui</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <packaging>bundle</packaging>
     <name>WSO2 Stratos CEP - Dashboard UI</name>
 
diff --git a/modules/org.wso2.stratos.cep.login.ui/pom.xml b/modules/org.wso2.stratos.cep.login.ui/pom.xml
index b4029d77..50e93b30 100644
--- a/modules/org.wso2.stratos.cep.login.ui/pom.xml
+++ b/modules/org.wso2.stratos.cep.login.ui/pom.xml
@@ -19,13 +19,13 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2cep-parent</artifactId>
-    	<version>4.0.0-SNAPSHOT</version>
+    	<version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>org.wso2.stratos.cep.login.ui</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <packaging>bundle</packaging>
     <name>WSO2 Stratos CEP - Login User Interface</name>
 
diff --git a/modules/p2-profile-gen/pom.xml b/modules/p2-profile-gen/pom.xml
index 535fad2c..0ef8a8d0 100644
--- a/modules/p2-profile-gen/pom.xml
+++ b/modules/p2-profile-gen/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>wso2cep-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/samples/consumers/axis2-log-service/pom.xml b/modules/samples/consumers/axis2-log-service/pom.xml
index f6fd7ac3..66371a32 100644
--- a/modules/samples/consumers/axis2-log-service/pom.xml
+++ b/modules/samples/consumers/axis2-log-service/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-consumers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <artifactId>axis2-log-service</artifactId>
     <name>WSO2 CEP - Consumer - Axis2 Log Service</name>
diff --git a/modules/samples/consumers/dashboard-service/pom.xml b/modules/samples/consumers/dashboard-service/pom.xml
index dcd6f184..dfc2d091 100644
--- a/modules/samples/consumers/dashboard-service/pom.xml
+++ b/modules/samples/consumers/dashboard-service/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-consumers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>dashboard-service</artifactId>
diff --git a/modules/samples/consumers/generic-log-service/pom.xml b/modules/samples/consumers/generic-log-service/pom.xml
index ad1be14b..1cba7afe 100644
--- a/modules/samples/consumers/generic-log-service/pom.xml
+++ b/modules/samples/consumers/generic-log-service/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-consumers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>generic-log-service</artifactId>
diff --git a/modules/samples/consumers/jms/pom.xml b/modules/samples/consumers/jms/pom.xml
index 9c12d35b..e0175465 100644
--- a/modules/samples/consumers/jms/pom.xml
+++ b/modules/samples/consumers/jms/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>cep-samples-consumers</artifactId>
         <groupId>org.wso2.cep</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/modules/samples/consumers/mqtt/pom.xml b/modules/samples/consumers/mqtt/pom.xml
index 9f57efe2..10832f2e 100644
--- a/modules/samples/consumers/mqtt/pom.xml
+++ b/modules/samples/consumers/mqtt/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-consumers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>mqtt-consumer</artifactId>
diff --git a/modules/samples/consumers/pom.xml b/modules/samples/consumers/pom.xml
index 038ce779..289a4a67 100644
--- a/modules/samples/consumers/pom.xml
+++ b/modules/samples/consumers/pom.xml
@@ -20,12 +20,12 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>cep-samples-consumers</artifactId>
     <name>WSO2 CEP - Sample Consumers</name>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <packaging>pom</packaging>
 
 
diff --git a/modules/samples/consumers/websocket/pom.xml b/modules/samples/consumers/websocket/pom.xml
index ec43b173..63cb80e9 100644
--- a/modules/samples/consumers/websocket/pom.xml
+++ b/modules/samples/consumers/websocket/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-consumers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>websocket-consumer</artifactId>
diff --git a/modules/samples/consumers/wso2-event/pom.xml b/modules/samples/consumers/wso2-event/pom.xml
index 64ac6aa6..1234deb4 100644
--- a/modules/samples/consumers/wso2-event/pom.xml
+++ b/modules/samples/consumers/wso2-event/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-consumers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>wso2-event-server</artifactId>
diff --git a/modules/samples/extensions/geo-event-fuser/pom.xml b/modules/samples/extensions/geo-event-fuser/pom.xml
index 496a1d3e..ea72a378 100644
--- a/modules/samples/extensions/geo-event-fuser/pom.xml
+++ b/modules/samples/extensions/geo-event-fuser/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>geo-event-fuser</artifactId>
-    <version>3.0.0-alpha</version>
+    <version>4.0.0-alpha</version>
     <packaging>bundle</packaging>
     <name>Siddhi Extension - Geo Event Fuser</name>
 
diff --git a/modules/samples/extensions/geo-event-notifier/pom.xml b/modules/samples/extensions/geo-event-notifier/pom.xml
index 1de17ae2..ff465fb9 100644
--- a/modules/samples/extensions/geo-event-notifier/pom.xml
+++ b/modules/samples/extensions/geo-event-notifier/pom.xml
@@ -23,13 +23,13 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>geo-event-notifier</artifactId>
-    <version>3.0.0-alpha</version>
+    <version>4.0.0-alpha</version>
     <packaging>bundle</packaging>
     <name>Siddhi Extension - Geo Event Notifier</name>
 
diff --git a/modules/samples/pom.xml b/modules/samples/pom.xml
index e3fa7228..7914e221 100644
--- a/modules/samples/pom.xml
+++ b/modules/samples/pom.xml
@@ -19,12 +19,12 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2cep-parent</artifactId>
-    	<version>4.0.0-SNAPSHOT</version>
+    	<version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <artifactId>cep-samples-parent</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
 
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/modules/samples/producers/http/pom.xml b/modules/samples/producers/http/pom.xml
index 94fbb24e..bf2566b9 100644
--- a/modules/samples/producers/http/pom.xml
+++ b/modules/samples/producers/http/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>cep-samples-producers</artifactId>
         <groupId>org.wso2.cep</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/modules/samples/producers/jms/pom.xml b/modules/samples/producers/jms/pom.xml
index 68ebda5f..2d44da4e 100644
--- a/modules/samples/producers/jms/pom.xml
+++ b/modules/samples/producers/jms/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>cep-samples-producers</artifactId>
         <groupId>org.wso2.cep</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/modules/samples/producers/kafka/pom.xml b/modules/samples/producers/kafka/pom.xml
index 1b430af3..739de717 100644
--- a/modules/samples/producers/kafka/pom.xml
+++ b/modules/samples/producers/kafka/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>cep-samples-producers</artifactId>
         <groupId>org.wso2.cep</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/modules/samples/producers/mqtt/pom.xml b/modules/samples/producers/mqtt/pom.xml
index 22cbd771..678f15fc 100644
--- a/modules/samples/producers/mqtt/pom.xml
+++ b/modules/samples/producers/mqtt/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>cep-samples-producers</artifactId>
         <groupId>org.wso2.cep</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/modules/samples/producers/pom.xml b/modules/samples/producers/pom.xml
index a370c247..72816219 100644
--- a/modules/samples/producers/pom.xml
+++ b/modules/samples/producers/pom.xml
@@ -20,12 +20,12 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>cep-samples-producers</artifactId>
     <name>WSO2 CEP - Samples Producers</name>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <packaging>pom</packaging>
 
 
diff --git a/modules/samples/producers/soap/pom.xml b/modules/samples/producers/soap/pom.xml
index 6b65f984..468c29db 100644
--- a/modules/samples/producers/soap/pom.xml
+++ b/modules/samples/producers/soap/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>cep-samples-producers</artifactId>
         <groupId>org.wso2.cep</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/modules/samples/producers/websocket/pom.xml b/modules/samples/producers/websocket/pom.xml
index e0a39bae..40b37462 100644
--- a/modules/samples/producers/websocket/pom.xml
+++ b/modules/samples/producers/websocket/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-producers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>websocket-publisher</artifactId>
diff --git a/modules/samples/producers/wso2-event/pom.xml b/modules/samples/producers/wso2-event/pom.xml
index 04a7c8a4..0e349733 100644
--- a/modules/samples/producers/wso2-event/pom.xml
+++ b/modules/samples/producers/wso2-event/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
         <artifactId>cep-samples-producers</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
     </parent>
 
     <artifactId>wso2-event-client</artifactId>
diff --git a/modules/styles/pom.xml b/modules/styles/pom.xml
index 7622e7a6..25360862 100644
--- a/modules/styles/pom.xml
+++ b/modules/styles/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>wso2cep-parent</artifactId>
-    	<version>4.0.0-SNAPSHOT</version>
+    	<version>4.0.0-alpha</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/styles/product/pom.xml b/modules/styles/product/pom.xml
index c92053a9..b9332cd7 100644
--- a/modules/styles/product/pom.xml
+++ b/modules/styles/product/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>cep-styles-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0-alpha</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/styles/service/pom.xml b/modules/styles/service/pom.xml
index e448afaf..a0fcb441 100644
--- a/modules/styles/service/pom.xml
+++ b/modules/styles/service/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.wso2.cep</groupId>
     	<artifactId>cep-styles-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 9beeb993..16f4fede 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.wso2.cep</groupId>
     <artifactId>wso2cep-parent</artifactId>
     <packaging>pom</packaging>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0-alpha</version>
     <name>WSO2 CEP - Parent</name>
     <url>http://wso2.com/products/complex-event-processor/</url>
     <description>WSO2 Complex Event Processor</description>
@@ -482,7 +482,7 @@
         <url>https://github.com/wso2/product-cep.git</url>
         <developerConnection>scm:git:https://github.com/wso2/product-cep.git</developerConnection>
         <connection>scm:git:https://github.com/wso2/product-cep.git</connection>
-        <tag>HEAD</tag>
+        <tag>v4.0.0-alpha</tag>
     </scm>
     <!--build>
         <plugins>
@@ -641,7 +641,7 @@
         <carbon.governance.version>4.4.1</carbon.governance.version>
 
         <siddhi.version>3.0.0-alpha</siddhi.version>
-        <cep.version>4.0.0-SNAPSHOT</cep.version>
+        <cep.version>4.0.0-alpha</cep.version>
         <carbon.event-processing.version>2.0.4-alpha</carbon.event-processing.version>
 
         <!-- Carbon kernel version-->