diff --git a/cli/pom.xml b/cli/pom.xml
index 5f18ce4accd902173a78c4bb5aab3f045b9871e6..3741777f4d92cbdcf1df394ffc382462d7b67fc9 100644
--- a/cli/pom.xml
+++ b/cli/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.jenkins-ci.main</groupId>
     <artifactId>pom</artifactId>
-    <version>2.55</version>
+    <version>2.56-SNAPSHOT</version>
   </parent>
 
   <artifactId>cli</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index bb7d5bea71f097a2f2a7b5f109df064afcb1f890..6a44b41d4ca3337ebf0858609266667d990753b2 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -29,7 +29,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci.main</groupId>
     <artifactId>pom</artifactId>
-    <version>2.55</version>
+    <version>2.56-SNAPSHOT</version>
   </parent>
 
   <artifactId>jenkins-core</artifactId>
diff --git a/pom.xml b/pom.xml
index a83476a21839f78a6b750f13ed86249886a545ea..454c99d6b8e8605186c6a7d7ec126c63327f29f3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@ THE SOFTWARE.
 
   <groupId>org.jenkins-ci.main</groupId>
   <artifactId>pom</artifactId>
-  <version>2.55</version>
+  <version>2.56-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Jenkins main module</name>
@@ -58,7 +58,7 @@ THE SOFTWARE.
     <connection>scm:git:git://github.com/jenkinsci/jenkins.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/jenkinsci/jenkins.git</developerConnection>
     <url>https://github.com/jenkinsci/jenkins</url>
-    <tag>jenkins-2.55</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <distributionManagement>
diff --git a/test/pom.xml b/test/pom.xml
index cb8bf407ca7fb39a57886ee5a0963db888caae40..8376faac3c7d7445cacf7cd03843e373c2041f47 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -28,7 +28,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci.main</groupId>
     <artifactId>pom</artifactId>
-    <version>2.55</version>
+    <version>2.56-SNAPSHOT</version>
   </parent>
 
   <artifactId>test</artifactId>
diff --git a/war/pom.xml b/war/pom.xml
index 4bfd3b89796e2f2afe8458605020282d1df5d00b..d7dbeef83ccd5f21beec97e90578a95766eb2b9c 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -28,7 +28,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci.main</groupId>
     <artifactId>pom</artifactId>
-    <version>2.55</version>
+    <version>2.56-SNAPSHOT</version>
   </parent>
 
   <artifactId>jenkins-war</artifactId>