diff --git a/build.properties b/build.properties
index 9bddb8bfc6b..065ca801297 100644
--- a/build.properties
+++ b/build.properties
@@ -1,4 +1,4 @@
-version=3.1.2
+version=3.1.3
 
 natural.name=spring-framework
 project.name=Spring Framework
@@ -17,16 +17,16 @@ spring.osgi.range="${spring.osgi.range.nq}"
 aj.osgi.range="[1.6.8, 2.0.0)"
 
 ## For GA releases
-release.type=release
-build.stamp=RELEASE
+#release.type=release
+#build.stamp=RELEASE
 
 ## For milestone releases
 #release.type=milestone
 #build.stamp=M1
 
 ## For trunk development / ci builds
-#release.type=integration
-#build.stamp=BUILD-SNAPSHOT
+release.type=integration
+build.stamp=BUILD-SNAPSHOT
 
 #bundlor
 fail.on.warnings=false
diff --git a/org.springframework.aop/pom.xml b/org.springframework.aop/pom.xml
index df36b30c4ac..8189a705493 100644
--- a/org.springframework.aop/pom.xml
+++ b/org.springframework.aop/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-aop</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.asm/pom.xml b/org.springframework.asm/pom.xml
index 1312cdec6c7..0fb2793576e 100644
--- a/org.springframework.asm/pom.xml
+++ b/org.springframework.asm/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-asm</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.aspects/pom.xml b/org.springframework.aspects/pom.xml
index ebfbbf40a1e..7e2f84e3dc8 100644
--- a/org.springframework.aspects/pom.xml
+++ b/org.springframework.aspects/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-aspects</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.beans/pom.xml b/org.springframework.beans/pom.xml
index 1356ff212db..dcb888d8918 100644
--- a/org.springframework.beans/pom.xml
+++ b/org.springframework.beans/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-beans</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.context.support/pom.xml b/org.springframework.context.support/pom.xml
index 0640cad9580..d6c8edc702b 100644
--- a/org.springframework.context.support/pom.xml
+++ b/org.springframework.context.support/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-context-support</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.context/pom.xml b/org.springframework.context/pom.xml
index 2e299478e1d..e432f17b49e 100644
--- a/org.springframework.context/pom.xml
+++ b/org.springframework.context/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-context</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.core/pom.xml b/org.springframework.core/pom.xml
index 272a2e84571..f763d665890 100644
--- a/org.springframework.core/pom.xml
+++ b/org.springframework.core/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-core</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.expression/pom.xml b/org.springframework.expression/pom.xml
index 75ed99ee3ce..0d699fdda1c 100644
--- a/org.springframework.expression/pom.xml
+++ b/org.springframework.expression/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-expression</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.instrument.tomcat/pom.xml b/org.springframework.instrument.tomcat/pom.xml
index 2960a0fa4bf..97989c7453b 100644
--- a/org.springframework.instrument.tomcat/pom.xml
+++ b/org.springframework.instrument.tomcat/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-instrument-tomcat</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.instrument/pom.xml b/org.springframework.instrument/pom.xml
index 03b152daad1..2b30ca141cb 100644
--- a/org.springframework.instrument/pom.xml
+++ b/org.springframework.instrument/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-instrument</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.integration-tests/pom.xml b/org.springframework.integration-tests/pom.xml
index 75119b43caa..16ed558ba27 100644
--- a/org.springframework.integration-tests/pom.xml
+++ b/org.springframework.integration-tests/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-integration-tests</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.jdbc/pom.xml b/org.springframework.jdbc/pom.xml
index 30bfcb178b1..2ca98c92cf5 100644
--- a/org.springframework.jdbc/pom.xml
+++ b/org.springframework.jdbc/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-jdbc</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.jms/pom.xml b/org.springframework.jms/pom.xml
index 6f7fac9927e..7b0a6e0fc20 100644
--- a/org.springframework.jms/pom.xml
+++ b/org.springframework.jms/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-jms</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.orm/pom.xml b/org.springframework.orm/pom.xml
index ac059b52155..5eac65775f7 100644
--- a/org.springframework.orm/pom.xml
+++ b/org.springframework.orm/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-orm</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.oxm/pom.xml b/org.springframework.oxm/pom.xml
index 69db45ccd20..9bbd473e56b 100644
--- a/org.springframework.oxm/pom.xml
+++ b/org.springframework.oxm/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-oxm</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.spring-library/pom.xml b/org.springframework.spring-library/pom.xml
index d6b466b968b..4fc84b7ffea 100644
--- a/org.springframework.spring-library/pom.xml
+++ b/org.springframework.spring-library/pom.xml
@@ -6,7 +6,7 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-library</artifactId>
   <packaging>libd</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <name>Spring Framework</name>
   <description>Spring is a layered Java/J2EE application platform, based on code published in Expert
   One-on-One J2EE Design and Development by Rod Johnson (Wrox, 2002). </description>
diff --git a/org.springframework.spring-parent/pom.xml b/org.springframework.spring-parent/pom.xml
index 333d3580d1b..80bb88d6c95 100644
--- a/org.springframework.spring-parent/pom.xml
+++ b/org.springframework.spring-parent/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>spring-parent</artifactId>
   <packaging>pom</packaging>
   <name>Spring Framework - Parent</name>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <description>Spring Framework Parent</description>
   <scm>
     <url>https://fisheye.springframework.org/browse/spring-framework</url>
diff --git a/org.springframework.test/pom.xml b/org.springframework.test/pom.xml
index 2377d8a018d..1f8c6f910b2 100644
--- a/org.springframework.test/pom.xml
+++ b/org.springframework.test/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-test</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.transaction/pom.xml b/org.springframework.transaction/pom.xml
index 99986d8fdc7..001fe88f9b6 100644
--- a/org.springframework.transaction/pom.xml
+++ b/org.springframework.transaction/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-tx</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.web.portlet/pom.xml b/org.springframework.web.portlet/pom.xml
index a1eb7e058ee..afa6ab8f1f8 100644
--- a/org.springframework.web.portlet/pom.xml
+++ b/org.springframework.web.portlet/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-webmvc-portlet</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.web.servlet/pom.xml b/org.springframework.web.servlet/pom.xml
index 6442d42c833..0395d5e3252 100644
--- a/org.springframework.web.servlet/pom.xml
+++ b/org.springframework.web.servlet/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-webmvc</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.web.struts/pom.xml b/org.springframework.web.struts/pom.xml
index 2b5d73055c6..8b9d02e3834 100644
--- a/org.springframework.web.struts/pom.xml
+++ b/org.springframework.web.struts/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-struts</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>
diff --git a/org.springframework.web/pom.xml b/org.springframework.web/pom.xml
index 84390d79cf9..4f7901cd182 100644
--- a/org.springframework.web/pom.xml
+++ b/org.springframework.web/pom.xml
@@ -6,12 +6,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-web</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.2.RELEASE</version>
+  <version>3.1.3.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.2.RELEASE</version>
+    <version>3.1.3.BUILD-SNAPSHOT</version>
   </parent>
   <licenses>
     <license>