diff --git a/modules/commons/pom.xml b/modules/commons/pom.xml
index ac36b9ef56..0e414997bc 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index a937293209..6743ef4449 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-wso2v159</version>
+		<version>4.0.0-wso2v160-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
diff --git a/modules/coverage-report/pom.xml b/modules/coverage-report/pom.xml
index 66c7496624..6ef4e44fb2 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/distribution/pom.xml b/modules/distribution/pom.xml
index d323c0be69..3d08307c51 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/experimental/pom.xml b/modules/experimental/pom.xml
index 6dcb8129b0..1f44f24ae0 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/extensions/pom.xml b/modules/extensions/pom.xml
index 54ea595880..9196b1dc3a 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 2a6e70facd..cba349d21a 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 e2d50292f1..0d5820d8c6 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 3a314b71fe..b99e8d5c5f 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 84e64640ac..cc8c8a14f0 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 035ccd16dd..89aae4d5ec 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 3f4df6de0a..d649c64128 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 278562d13e..29f7b3e117 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/features/pom.xml b/modules/features/pom.xml
index 3e45aebc48..565e3c4172 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/handler/pom.xml b/modules/handler/pom.xml
index 63d7d8cee5..f9ea6338a0 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/integration/pom.xml b/modules/integration/pom.xml
index 8290f35a99..b7132f500c 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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-wso2v159</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <build>
diff --git a/modules/migrator/pom.xml b/modules/migrator/pom.xml
index e69ab6faf0..6ae3a7768f 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/packaging/package-archetype/pom.xml b/modules/packaging/package-archetype/pom.xml
index e867decf85..7c6976f75e 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 148e9f91de..de9e7ec9d8 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 9ff0c01dfe..728bc37ec9 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>synapse-patches</artifactId>
diff --git a/modules/samples/pom.xml b/modules/samples/pom.xml
index 5ebe4491f8..3ef69edd4d 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/securevault/pom.xml b/modules/securevault/pom.xml
index e42bbfb85f..407e4a1573 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-wso2v159</version>
+        <version>4.0.0-wso2v160-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 c3266ee489..4af729a5f7 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/core/nhttp/pom.xml b/modules/transports/core/nhttp/pom.xml
index d810490ab3..bf22e2225c 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/core/pipe/pom.xml b/modules/transports/core/pipe/pom.xml
index d571d175a7..0da90fae06 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/core/vfs/pom.xml b/modules/transports/core/vfs/pom.xml
index 3cad6189fb..2f70fa4684 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/optional/fix/pom.xml b/modules/transports/optional/fix/pom.xml
index 2c310a9bf8..559c310217 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/transports/pom.xml b/modules/transports/pom.xml
index 186da44626..d34a938919 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/war/pom.xml b/modules/war/pom.xml
index 18fbde76c0..489712f26c 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/xar-maven-plugin/pom.xml b/modules/xar-maven-plugin/pom.xml
index ae6f06f21e..916b80cd90 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-wso2v159</version>
+        <version>4.0.0-wso2v160-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <groupId>org.apache.synapse</groupId>
diff --git a/pom.xml b/pom.xml
index cde5dd4993..154e39acce 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-wso2v159</version>
+   <version>4.0.0-wso2v160-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-wso2v159</tag>
+      <tag>HEAD</tag>
    </scm>
    <organization>
       <name>Apache Software Foundation</name>