diff --git a/modules/commons/pom.xml b/modules/commons/pom.xml
index 09ea0953ce..4e48b85414 100644
--- a/modules/commons/pom.xml
+++ b/modules/commons/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index aa7b2f12c5..2bcd74fe98 100644
--- a/modules/core/pom.xml
+++ b/modules/core/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>org.apache.synapse</groupId>
 		<artifactId>Apache-Synapse</artifactId>
-		<version>4.0.0-wso2v80</version>
+		<version>4.0.0-wso2v81-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
diff --git a/modules/coverage-report/pom.xml b/modules/coverage-report/pom.xml
index fb7f19602d..036ecbcded 100644
--- a/modules/coverage-report/pom.xml
+++ b/modules/coverage-report/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/distribution/pom.xml b/modules/distribution/pom.xml
index cca05d438f..f289d8765b 100644
--- a/modules/distribution/pom.xml
+++ b/modules/distribution/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/experimental/pom.xml b/modules/experimental/pom.xml
index 294ac81c53..e640da4c3b 100644
--- a/modules/experimental/pom.xml
+++ b/modules/experimental/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/extensions/pom.xml b/modules/extensions/pom.xml
index 00be8001f5..aadc52499e 100644
--- a/modules/extensions/pom.xml
+++ b/modules/extensions/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/features/org.apache.synapse.samples.feature/pom.xml b/modules/features/org.apache.synapse.samples.feature/pom.xml
index 5c77bea78b..6eb0a1f6e1 100644
--- a/modules/features/org.apache.synapse.samples.feature/pom.xml
+++ b/modules/features/org.apache.synapse.samples.feature/pom.xml
@@ -19,7 +19,7 @@
 
     <parent>
         <artifactId>synapse-features</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <groupId>org.apache.synapse</groupId>
     </parent>
 
diff --git a/modules/features/org.apache.synapse.transport.fix.feature/pom.xml b/modules/features/org.apache.synapse.transport.fix.feature/pom.xml
index ff87226182..fbcd95a78b 100644
--- a/modules/features/org.apache.synapse.transport.fix.feature/pom.xml
+++ b/modules/features/org.apache.synapse.transport.fix.feature/pom.xml
@@ -19,7 +19,7 @@
 
     <parent>
         <artifactId>synapse-features</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <groupId>org.apache.synapse</groupId>
     </parent>
 
diff --git a/modules/features/org.apache.synapse.transport.nhttp.feature/pom.xml b/modules/features/org.apache.synapse.transport.nhttp.feature/pom.xml
index c5c5a3789e..676ea6ae5e 100644
--- a/modules/features/org.apache.synapse.transport.nhttp.feature/pom.xml
+++ b/modules/features/org.apache.synapse.transport.nhttp.feature/pom.xml
@@ -19,7 +19,7 @@
 
     <parent>
         <artifactId>synapse-features</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <groupId>org.apache.synapse</groupId>
     </parent>
 
diff --git a/modules/features/org.apache.synapse.transport.vfs.feature/pom.xml b/modules/features/org.apache.synapse.transport.vfs.feature/pom.xml
index 04af048cc5..f5edd3a44f 100644
--- a/modules/features/org.apache.synapse.transport.vfs.feature/pom.xml
+++ b/modules/features/org.apache.synapse.transport.vfs.feature/pom.xml
@@ -19,7 +19,7 @@
 
     <parent>
         <artifactId>synapse-features</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <groupId>org.apache.synapse</groupId>
     </parent>
 
diff --git a/modules/features/org.apache.synapse.transport.vfs.smb.feature/pom.xml b/modules/features/org.apache.synapse.transport.vfs.smb.feature/pom.xml
index 6d1a36a460..a5243c1368 100644
--- a/modules/features/org.apache.synapse.transport.vfs.smb.feature/pom.xml
+++ b/modules/features/org.apache.synapse.transport.vfs.smb.feature/pom.xml
@@ -19,7 +19,7 @@
 
     <parent>
         <artifactId>synapse-features</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <groupId>org.apache.synapse</groupId>
     </parent>
 
diff --git a/modules/features/org.apache.synapse.transport.vfs.smb2.feature/pom.xml b/modules/features/org.apache.synapse.transport.vfs.smb2.feature/pom.xml
index a100a6ee65..182a2b936e 100644
--- a/modules/features/org.apache.synapse.transport.vfs.smb2.feature/pom.xml
+++ b/modules/features/org.apache.synapse.transport.vfs.smb2.feature/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>synapse-features</artifactId>
         <groupId>org.apache.synapse</groupId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/features/org.apache.synapse.wso2.feature/pom.xml b/modules/features/org.apache.synapse.wso2.feature/pom.xml
index 0b04ace4d9..d26a66abbd 100644
--- a/modules/features/org.apache.synapse.wso2.feature/pom.xml
+++ b/modules/features/org.apache.synapse.wso2.feature/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>synapse-features</artifactId>
         <groupId>org.apache.synapse</groupId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/features/pom.xml b/modules/features/pom.xml
index 586b0726be..54e6ab3fdb 100644
--- a/modules/features/pom.xml
+++ b/modules/features/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/handler/pom.xml b/modules/handler/pom.xml
index 720c8e5473..19c0a7eb69 100644
--- a/modules/handler/pom.xml
+++ b/modules/handler/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/pom.xml b/modules/integration/pom.xml
index b668c96d1c..1a676c6fe2 100644
--- a/modules/integration/pom.xml
+++ b/modules/integration/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -37,7 +37,7 @@
         <connection>scm:svn:http://svn.apache.org/repos/asf/synapse/trunk/java/modules/integration</connection>
         <developerConnection>scm:svn:https://svn.apache.org/repos/asf/synapse/trunk/java/modules/integration</developerConnection>
         <url>http://svn.apache.org/viewvc/synapse/trunk/java/modules/integration</url>
-      <tag>v4.0.0-wso2v80</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <build>
diff --git a/modules/migrator/pom.xml b/modules/migrator/pom.xml
index c08dc4fd9d..13fb01106a 100644
--- a/modules/migrator/pom.xml
+++ b/modules/migrator/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/packaging/package-archetype/pom.xml b/modules/packaging/package-archetype/pom.xml
index a4c263aad4..494aa3cb89 100644
--- a/modules/packaging/package-archetype/pom.xml
+++ b/modules/packaging/package-archetype/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../../pom.xml</relativePath>
     </parent>
     <artifactId>synapse-package-archetype</artifactId>
diff --git a/modules/packaging/package-skeleton/pom.xml b/modules/packaging/package-skeleton/pom.xml
index 694e96abf9..a716ef8e9b 100644
--- a/modules/packaging/package-skeleton/pom.xml
+++ b/modules/packaging/package-skeleton/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../../pom.xml</relativePath>
     </parent>
     <artifactId>synapse-package-skeleton</artifactId>
diff --git a/modules/patches/pom.xml b/modules/patches/pom.xml
index e74b5df767..ae82447ff4 100644
--- a/modules/patches/pom.xml
+++ b/modules/patches/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>synapse-patches</artifactId>
diff --git a/modules/samples/pom.xml b/modules/samples/pom.xml
index 8ff9b15ced..879dfd2d3d 100644
--- a/modules/samples/pom.xml
+++ b/modules/samples/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/securevault/pom.xml b/modules/securevault/pom.xml
index 38d010182f..654c581d93 100644
--- a/modules/securevault/pom.xml
+++ b/modules/securevault/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <groupId>org.apache.synapse</groupId>
diff --git a/modules/tasks/pom.xml b/modules/tasks/pom.xml
index 9a6976f7b0..bcc48566c3 100644
--- a/modules/tasks/pom.xml
+++ b/modules/tasks/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/core/nhttp/pom.xml b/modules/transports/core/nhttp/pom.xml
index 93cd1d6033..62af97332e 100644
--- a/modules/transports/core/nhttp/pom.xml
+++ b/modules/transports/core/nhttp/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>synapse-transports</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/core/pipe/pom.xml b/modules/transports/core/pipe/pom.xml
index ed9241993f..b01611c485 100644
--- a/modules/transports/core/pipe/pom.xml
+++ b/modules/transports/core/pipe/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>synapse-transports</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/core/vfs/pom.xml b/modules/transports/core/vfs/pom.xml
index 31db48b0ce..99378d7045 100644
--- a/modules/transports/core/vfs/pom.xml
+++ b/modules/transports/core/vfs/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>synapse-transports</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/optional/fix/pom.xml b/modules/transports/optional/fix/pom.xml
index d7c6a162bb..d8f2aa4203 100644
--- a/modules/transports/optional/fix/pom.xml
+++ b/modules/transports/optional/fix/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>synapse-transports</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/pom.xml b/modules/transports/pom.xml
index 6937929c60..7630ee0656 100644
--- a/modules/transports/pom.xml
+++ b/modules/transports/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/war/pom.xml b/modules/war/pom.xml
index dd0a0b215d..5643671f53 100644
--- a/modules/war/pom.xml
+++ b/modules/war/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/xar-maven-plugin/pom.xml b/modules/xar-maven-plugin/pom.xml
index 3c1c517d1f..37bb4814ab 100644
--- a/modules/xar-maven-plugin/pom.xml
+++ b/modules/xar-maven-plugin/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.synapse</groupId>
         <artifactId>Apache-Synapse</artifactId>
-        <version>4.0.0-wso2v80</version>
+        <version>4.0.0-wso2v81-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <groupId>org.apache.synapse</groupId>
diff --git a/pom.xml b/pom.xml
index a3c033b96b..d5ac1699ba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
    </parent>
    <groupId>org.apache.synapse</groupId>
    <artifactId>Apache-Synapse</artifactId>
-   <version>4.0.0-wso2v80</version>
+   <version>4.0.0-wso2v81-SNAPSHOT</version>
    <name>Apache Synapse</name>
    <description>Apache Synapse</description>
    <packaging>pom</packaging>
@@ -69,7 +69,7 @@
       <connection>scm:git:https://github.com/wso2/wso2-synapse.git</connection>
       <developerConnection>scm:git:https://github.com/wso2/wso2-synapse.git</developerConnection>
       <url>https://github.com/wso2/wso2-synapse.git/</url>
-      <tag>v4.0.0-wso2v80</tag>
+      <tag>HEAD</tag>
    </scm>
    <organization>
       <name>Apache Software Foundation</name>