diff --git a/cli/pom.xml b/cli/pom.xml
index 7c2d5c0c652437cc51063485d3b1360190fc5374..1a2db5bc4e614028a4815a4f9cab5f129f8ed7b2 100644
--- a/cli/pom.xml
+++ b/cli/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>pom</artifactId>
     <groupId>org.jenkins-ci.main</groupId>
-    <version>1.477</version>
+    <version>1.478-SNAPSHOT</version>
   </parent>
 
   <artifactId>cli</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 7b738a3753e7d0df3d448d9f17813e849e7222bd..0744bba72b1af57ccd00f4ad1a4665be56194396 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>1.477</version>
+    <version>1.478-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/maven-plugin/pom.xml b/maven-plugin/pom.xml
index cedc6262221989eeb53900a57ace2b3889a16ae2..da391f22dad39be9de8692d063d25fc28cde778a 100644
--- a/maven-plugin/pom.xml
+++ b/maven-plugin/pom.xml
@@ -29,7 +29,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci.main</groupId>
     <artifactId>pom</artifactId>
-    <version>1.477</version>
+    <version>1.478-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 9b02fbfde10697e47b1b9338ba5be2299b1babf2..b19da954dc5e125042d8088189b29ef56bf435e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@ THE SOFTWARE.
 
   <groupId>org.jenkins-ci.main</groupId>
   <artifactId>pom</artifactId>
-  <version>1.477</version>
+  <version>1.478-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Jenkins main module</name>
diff --git a/test/pom.xml b/test/pom.xml
index 690fcd726ff7f3ed5c4f114e3b1e2e6221c469c6..68856526c5b3ab89a0db47f96a12cc0ad4545dad 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>1.477</version>
+    <version>1.478-SNAPSHOT</version>
   </parent>
   <groupId>org.jenkins-ci.main</groupId>
   <artifactId>jenkins-test-harness</artifactId>
diff --git a/ui-samples-plugin/pom.xml b/ui-samples-plugin/pom.xml
index 3475cad5acde1b5676488cd2e3c7797dd5cdc2e6..217387a4e2cb1c504fdc3573b97794de5642b813 100644
--- a/ui-samples-plugin/pom.xml
+++ b/ui-samples-plugin/pom.xml
@@ -29,7 +29,7 @@ THE SOFTWARE.
   <parent>
     <groupId>org.jenkins-ci.main</groupId>
     <artifactId>pom</artifactId>
-    <version>1.477</version>
+    <version>1.478-SNAPSHOT</version>
   </parent>
 
   <artifactId>ui-samples-plugin</artifactId>
diff --git a/war/pom.xml b/war/pom.xml
index 6df539ed4491feea2c0c5c79f1798b928e41dd42..acfce66e10e4fa47d55daf862f8864895822adac 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>1.477</version>
+    <version>1.478-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>