diff --git a/apps/blank/pom.xml b/apps/blank/pom.xml
index e7bc099dd..75b55dcb3 100644
--- a/apps/blank/pom.xml
+++ b/apps/blank/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-blank</artifactId>
diff --git a/apps/jboss-blank/pom.xml b/apps/jboss-blank/pom.xml
index 12832d12a..d977e242b 100644
--- a/apps/jboss-blank/pom.xml
+++ b/apps/jboss-blank/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-jboss-blank</artifactId>
diff --git a/apps/mailreader/pom.xml b/apps/mailreader/pom.xml
index 108077682..0cb4e6a03 100644
--- a/apps/mailreader/pom.xml
+++ b/apps/mailreader/pom.xml
@@ -26,7 +26,7 @@
     <parent>
       <groupId>org.apache.struts</groupId>
       <artifactId>struts2-apps</artifactId>
-      <version>2.2.3.1</version>
+      <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-mailreader</artifactId>
diff --git a/apps/pom.xml b/apps/pom.xml
index 2d1ff1074..cb9b597f1 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-apps</artifactId>
diff --git a/apps/portlet/pom.xml b/apps/portlet/pom.xml
index 33b9f1a73..b645d211c 100644
--- a/apps/portlet/pom.xml
+++ b/apps/portlet/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-portlet</artifactId>
diff --git a/apps/rest-showcase/pom.xml b/apps/rest-showcase/pom.xml
index a73b84e12..f719450f2 100644
--- a/apps/rest-showcase/pom.xml
+++ b/apps/rest-showcase/pom.xml
@@ -26,13 +26,13 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
 	<groupId>org.apache.struts</groupId>
 	<artifactId>struts2-rest-showcase</artifactId>
 	<packaging>war</packaging>
-	<version>2.2.3.1</version>
+	<version>2.2.3.1-SNAPSHOT</version>
 	<name>Struts 2 Rest Showcase Example</name>
 	<description>Struts 2 Rest Showcase Example</description>
 
diff --git a/apps/showcase/pom.xml b/apps/showcase/pom.xml
index f3f36efb0..6d6eb9012 100644
--- a/apps/showcase/pom.xml
+++ b/apps/showcase/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-showcase</artifactId>
diff --git a/archetypes/pom.xml b/archetypes/pom.xml
index a56ff22c7..69eec1d69 100644
--- a/archetypes/pom.xml
+++ b/archetypes/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-archetypes</artifactId>
diff --git a/archetypes/struts2-archetype-blank/pom.xml b/archetypes/struts2-archetype-blank/pom.xml
index eb27354b4..5c37a9e5d 100644
--- a/archetypes/struts2-archetype-blank/pom.xml
+++ b/archetypes/struts2-archetype-blank/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-archetypes</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>struts2-archetype-blank</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
     <name>Struts 2 Archetypes - Blank</name>
 
     <scm>
diff --git a/archetypes/struts2-archetype-convention/pom.xml b/archetypes/struts2-archetype-convention/pom.xml
index ec3166da6..7e1ff31ea 100644
--- a/archetypes/struts2-archetype-convention/pom.xml
+++ b/archetypes/struts2-archetype-convention/pom.xml
@@ -2,12 +2,12 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-archetypes</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>struts2-archetype-convention</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
     <name>Struts 2 Archetypes - Blank Convention</name>
 
     <scm>
diff --git a/archetypes/struts2-archetype-dbportlet/pom.xml b/archetypes/struts2-archetype-dbportlet/pom.xml
index cbb162bb9..cf372edbe 100644
--- a/archetypes/struts2-archetype-dbportlet/pom.xml
+++ b/archetypes/struts2-archetype-dbportlet/pom.xml
@@ -2,12 +2,12 @@
   <parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-archetypes</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
   </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>struts2-archetype-dbportlet</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
     <name>Struts 2 Archetypes - Database Portlet</name>
 
     <scm>
diff --git a/archetypes/struts2-archetype-plugin/pom.xml b/archetypes/struts2-archetype-plugin/pom.xml
index 4e075de04..c22e8a142 100644
--- a/archetypes/struts2-archetype-plugin/pom.xml
+++ b/archetypes/struts2-archetype-plugin/pom.xml
@@ -2,12 +2,12 @@
   <parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-archetypes</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <artifactId>struts2-archetype-plugin</artifactId>
-  <version>2.2.3.1</version>
+  <version>2.2.3.1-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Struts 2 Archetypes - Plugin</name>
 
diff --git a/archetypes/struts2-archetype-portlet/pom.xml b/archetypes/struts2-archetype-portlet/pom.xml
index 6a479b791..98d0d2235 100644
--- a/archetypes/struts2-archetype-portlet/pom.xml
+++ b/archetypes/struts2-archetype-portlet/pom.xml
@@ -2,12 +2,12 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-archetypes</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>struts2-archetype-portlet</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Struts 2 Archetypes - Portlet</name>
 
diff --git a/archetypes/struts2-archetype-starter/pom.xml b/archetypes/struts2-archetype-starter/pom.xml
index 2cf01697a..cff48895d 100644
--- a/archetypes/struts2-archetype-starter/pom.xml
+++ b/archetypes/struts2-archetype-starter/pom.xml
@@ -4,12 +4,12 @@
   <parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-archetypes</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <artifactId>struts2-archetype-starter</artifactId>
-  <version>2.2.3.1</version>
+  <version>2.2.3.1-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Struts 2 Archetypes - Starter</name>
 
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 830197c84..0031e0263 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <scm>
diff --git a/bundles/admin/pom.xml b/bundles/admin/pom.xml
index 2621edbe0..13d8d5a03 100644
--- a/bundles/admin/pom.xml
+++ b/bundles/admin/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-osgi-bundles</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-osgi-admin-bundle</artifactId>    
diff --git a/bundles/demo/pom.xml b/bundles/demo/pom.xml
index e1bd4bbf8..7be820d9b 100644
--- a/bundles/demo/pom.xml
+++ b/bundles/demo/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-osgi-bundles</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-osgi-demo-bundle</artifactId>
diff --git a/bundles/pom.xml b/bundles/pom.xml
index dabf6ccf0..a4e8ba5b0 100755
--- a/bundles/pom.xml
+++ b/bundles/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-osgi-bundles</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index fad51107e..252b48078 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-core</artifactId>
diff --git a/plugins/codebehind/pom.xml b/plugins/codebehind/pom.xml
index 0d707d3f8..b141013ec 100644
--- a/plugins/codebehind/pom.xml
+++ b/plugins/codebehind/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-codebehind-plugin</artifactId>
diff --git a/plugins/config-browser/pom.xml b/plugins/config-browser/pom.xml
index caacc400b..190c01df2 100644
--- a/plugins/config-browser/pom.xml
+++ b/plugins/config-browser/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-config-browser-plugin</artifactId>
diff --git a/plugins/convention/pom.xml b/plugins/convention/pom.xml
index 8493c692a..b1aa4c23a 100644
--- a/plugins/convention/pom.xml
+++ b/plugins/convention/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-convention-plugin</artifactId>
diff --git a/plugins/dojo/pom.xml b/plugins/dojo/pom.xml
index d3ec7c505..118147ac2 100644
--- a/plugins/dojo/pom.xml
+++ b/plugins/dojo/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <artifactId>struts2-plugins</artifactId>
         <groupId>org.apache.struts</groupId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.struts</groupId>
diff --git a/plugins/dwr/pom.xml b/plugins/dwr/pom.xml
index 3444321bb..75e34a872 100644
--- a/plugins/dwr/pom.xml
+++ b/plugins/dwr/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-dwr-plugin</artifactId>
diff --git a/plugins/embeddedjsp/pom.xml b/plugins/embeddedjsp/pom.xml
index d38fd7d6c..0a8d2a08c 100644
--- a/plugins/embeddedjsp/pom.xml
+++ b/plugins/embeddedjsp/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.struts</groupId>
diff --git a/plugins/gxp/pom.xml b/plugins/gxp/pom.xml
index 6e3f4c3d1..f71b8a666 100644
--- a/plugins/gxp/pom.xml
+++ b/plugins/gxp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.struts</groupId>
diff --git a/plugins/jasperreports/pom.xml b/plugins/jasperreports/pom.xml
index 37188554a..aeb5e1df9 100644
--- a/plugins/jasperreports/pom.xml
+++ b/plugins/jasperreports/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-jasperreports-plugin</artifactId>
diff --git a/plugins/javatemplates/pom.xml b/plugins/javatemplates/pom.xml
index cbc81dca8..51fbc8218 100644
--- a/plugins/javatemplates/pom.xml
+++ b/plugins/javatemplates/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-javatemplates-plugin</artifactId>
diff --git a/plugins/jfreechart/pom.xml b/plugins/jfreechart/pom.xml
index 0b5022b0d..9e85c8725 100644
--- a/plugins/jfreechart/pom.xml
+++ b/plugins/jfreechart/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
    </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-jfreechart-plugin</artifactId>
diff --git a/plugins/jsf/pom.xml b/plugins/jsf/pom.xml
index 10430bc4f..3d693d918 100644
--- a/plugins/jsf/pom.xml
+++ b/plugins/jsf/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-jsf-plugin</artifactId>
diff --git a/plugins/json/pom.xml b/plugins/json/pom.xml
index 5170fef3c..412d61087 100644
--- a/plugins/json/pom.xml
+++ b/plugins/json/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-json-plugin</artifactId>
diff --git a/plugins/junit/pom.xml b/plugins/junit/pom.xml
index 04af41d54..962600dbb 100644
--- a/plugins/junit/pom.xml
+++ b/plugins/junit/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-junit-plugin</artifactId>
diff --git a/plugins/osgi/pom.xml b/plugins/osgi/pom.xml
index 5f584d101..30e678740 100644
--- a/plugins/osgi/pom.xml
+++ b/plugins/osgi/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-osgi-plugin</artifactId>
diff --git a/plugins/oval/pom.xml b/plugins/oval/pom.xml
index c95256065..b1daa2efd 100644
--- a/plugins/oval/pom.xml
+++ b/plugins/oval/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-oval-plugin</artifactId>
diff --git a/plugins/pell-multipart/pom.xml b/plugins/pell-multipart/pom.xml
index 1b42853ec..5f75a0bad 100644
--- a/plugins/pell-multipart/pom.xml
+++ b/plugins/pell-multipart/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-pell-multipart-plugin</artifactId>
diff --git a/plugins/plexus/pom.xml b/plugins/plexus/pom.xml
index d53ffc751..4e1118ae3 100644
--- a/plugins/plexus/pom.xml
+++ b/plugins/plexus/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-plexus-plugin</artifactId>
diff --git a/plugins/pom.xml b/plugins/pom.xml
index c9d24041f..ec908fd0d 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-plugins</artifactId>
diff --git a/plugins/portlet/pom.xml b/plugins/portlet/pom.xml
index 1dd565af6..2a8768c09 100644
--- a/plugins/portlet/pom.xml
+++ b/plugins/portlet/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-portlet-plugin</artifactId>
diff --git a/plugins/rest/pom.xml b/plugins/rest/pom.xml
index 466ddef3d..5c17fb004 100644
--- a/plugins/rest/pom.xml
+++ b/plugins/rest/pom.xml
@@ -26,11 +26,11 @@
 	<parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
    <groupId>org.apache.struts</groupId>
    <artifactId>struts2-rest-plugin</artifactId>
-   <version>2.2.3.1</version>
+   <version>2.2.3.1-SNAPSHOT</version>
    <name>Struts 2 REST Plugin</name>
 
     <dependencies>
diff --git a/plugins/sitegraph/pom.xml b/plugins/sitegraph/pom.xml
index 0ebf65f90..902564d34 100644
--- a/plugins/sitegraph/pom.xml
+++ b/plugins/sitegraph/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-sitegraph-plugin</artifactId>
diff --git a/plugins/sitemesh/pom.xml b/plugins/sitemesh/pom.xml
index c9facd1f6..8f481f460 100644
--- a/plugins/sitemesh/pom.xml
+++ b/plugins/sitemesh/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-sitemesh-plugin</artifactId>
diff --git a/plugins/spring/pom.xml b/plugins/spring/pom.xml
index 79398351e..0e37f26da 100644
--- a/plugins/spring/pom.xml
+++ b/plugins/spring/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-spring-plugin</artifactId>
diff --git a/plugins/struts1/pom.xml b/plugins/struts1/pom.xml
index 2dcfbdb2a..b4f061dd1 100644
--- a/plugins/struts1/pom.xml
+++ b/plugins/struts1/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-struts1-plugin</artifactId>
diff --git a/plugins/testng/pom.xml b/plugins/testng/pom.xml
index 2ba10927b..ac349d0be 100644
--- a/plugins/testng/pom.xml
+++ b/plugins/testng/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-testng-plugin</artifactId>
diff --git a/plugins/tiles/pom.xml b/plugins/tiles/pom.xml
index 4b59ba5a8..177a1fbec 100644
--- a/plugins/tiles/pom.xml
+++ b/plugins/tiles/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-tiles-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 2c67b00f0..6638eac30 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.struts</groupId>
     <artifactId>struts2-parent</artifactId>
-    <version>2.2.3.1</version>
+    <version>2.2.3.1-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Struts 2</name>
     <url>http://struts.apache.org/struts2</url>
diff --git a/xwork-core/pom.xml b/xwork-core/pom.xml
index 61ea29327..f60059acd 100644
--- a/xwork-core/pom.xml
+++ b/xwork-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.2.3.1</version>
+        <version>2.2.3.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.struts.xwork</groupId>