diff --git a/cli/pom.xml b/cli/pom.xml
index d7df7660a0f9ea0f394db6035d309467f2937b08..4345695c3332eaa2b6592892024d8103ec3dfd5b 100644
--- a/cli/pom.xml
+++ b/cli/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>pom</artifactId>
     <groupId>org.jenkins-ci.main</groupId>
-    <version>1.590</version>
+    <version>1.591-SNAPSHOT</version>
   </parent>
 
   <artifactId>cli</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index e65bb393a092ce5a43a69a752921d9428b9a097a..b70053a099b929eeff781f4d7289a00c8b46e560 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>1.590</version>
+    <version>1.591-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/plugins/pom.xml b/plugins/pom.xml
index 4def4e72c92857a4cd21122fad7c9f5c9af20b70..bd9aa34c8ac7332cc5fb89578619d8b64bf14434 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -11,7 +11,7 @@
   <groupId>org.jenkins-ci.plugins</groupId>
   <artifactId>plugin</artifactId>
   <name>Jenkins plugin POM</name>
-  <version>1.590</version>
+  <version>1.591-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <!--
@@ -22,7 +22,7 @@
     <connection>scm:svn:https://svn.jenkins-ci.org/trunk/hudson/plugins/</connection>
     <developerConnection>scm:svn:https://svn.jenkins-ci.org/trunk/hudson/plugins/</developerConnection>
     <url>https://svn.jenkins-ci.org/trunk/hudson/plugins/</url>
-    <tag>jenkins-1.590</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <issueManagement>
@@ -40,19 +40,19 @@
       <groupId>org.jenkins-ci.main</groupId>
       <artifactId>jenkins-war</artifactId>
       <type>war</type>
-      <version>1.590</version>
+      <version>1.591-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.main</groupId>
       <artifactId>jenkins-core</artifactId>
-      <version>1.590</version>
+      <version>1.591-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.main</groupId>
       <artifactId>jenkins-test-harness</artifactId>
-      <version>1.590</version>
+      <version>1.591-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <!--
diff --git a/pom.xml b/pom.xml
index 9f8a1a47fb9bcec8ff3b7b535627916747fe140e..75a91b022a3f34a267bfd9df4860a2108acaea06 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@ THE SOFTWARE.
 
   <groupId>org.jenkins-ci.main</groupId>
   <artifactId>pom</artifactId>
-  <version>1.590</version>
+  <version>1.591-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-1.590</tag>
+    <tag>HEAD</tag>
   </scm>
   <distributionManagement>
     <site>
diff --git a/test/pom.xml b/test/pom.xml
index 22d1e3ff3cb05513d520789f901c7c7443fb6121..e7e8ef3183e5ec8d11474ca4166c55db3c459e79 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -29,7 +29,7 @@ THE SOFTWARE.
   <parent>
     <artifactId>pom</artifactId>
     <groupId>org.jenkins-ci.main</groupId>
-    <version>1.590</version>
+    <version>1.591-SNAPSHOT</version>
   </parent>
   <groupId>org.jenkins-ci.main</groupId>
   <artifactId>jenkins-test-harness</artifactId>
diff --git a/war/pom.xml b/war/pom.xml
index 7565db3200c469dac09b63310d302c71a588d994..9a03d8f8a9c0fc16327517c7f7c388022dfe8144 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>1.590</version>
+    <version>1.591-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>