diff --git a/build.properties b/build.properties
index 5f7d08a8dc..4f3d372542 100644
--- a/build.properties
+++ b/build.properties
@@ -1,4 +1,4 @@
-version=3.1.0
+version=3.1.1
 
 natural.name=spring-framework
 project.name=Spring Framework
@@ -17,13 +17,13 @@ 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
diff --git a/org.springframework.aop/pom.xml b/org.springframework.aop/pom.xml
index d21357bb2f..8a3a908557 100644
--- a/org.springframework.aop/pom.xml
+++ b/org.springframework.aop/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-aop</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.asm/pom.xml b/org.springframework.asm/pom.xml
index 789e6ef3da..3b089c93ba 100644
--- a/org.springframework.asm/pom.xml
+++ b/org.springframework.asm/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-asm</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
 
diff --git a/org.springframework.aspects/pom.xml b/org.springframework.aspects/pom.xml
index 5feff8a29d..423cbe54a0 100644
--- a/org.springframework.aspects/pom.xml
+++ b/org.springframework.aspects/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-aspects</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.beans/pom.xml b/org.springframework.beans/pom.xml
index 664a729e86..56992da524 100644
--- a/org.springframework.beans/pom.xml
+++ b/org.springframework.beans/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-beans</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.context.support/pom.xml b/org.springframework.context.support/pom.xml
index 5017fbf173..f364d5c1c1 100644
--- a/org.springframework.context.support/pom.xml
+++ b/org.springframework.context.support/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-context-support</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
 
diff --git a/org.springframework.context/pom.xml b/org.springframework.context/pom.xml
index 3d77ff69fc..a51e768ea1 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>3.1.0.RELEASE</version>
+	<version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<dependencies>
diff --git a/org.springframework.core/pom.xml b/org.springframework.core/pom.xml
index 85f5100554..0fd00579f6 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>3.1.0.RELEASE</version>
+	<version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<dependencies>
diff --git a/org.springframework.expression/pom.xml b/org.springframework.expression/pom.xml
index 67a3902ae6..b3795a6414 100644
--- a/org.springframework.expression/pom.xml
+++ b/org.springframework.expression/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-expression</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.instrument.tomcat/pom.xml b/org.springframework.instrument.tomcat/pom.xml
index 113421d663..93594d1b56 100644
--- a/org.springframework.instrument.tomcat/pom.xml
+++ b/org.springframework.instrument.tomcat/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-instrument-tomcat</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.instrument/pom.xml b/org.springframework.instrument/pom.xml
index 0069efc1a5..d66b844c73 100644
--- a/org.springframework.instrument/pom.xml
+++ b/org.springframework.instrument/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-instrument</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
 </project>
diff --git a/org.springframework.integration-tests/pom.xml b/org.springframework.integration-tests/pom.xml
index 5eff89a392..be0ee6b8aa 100644
--- a/org.springframework.integration-tests/pom.xml
+++ b/org.springframework.integration-tests/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-integration-tests</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
   <dependencies>
     <dependency>
diff --git a/org.springframework.jdbc/pom.xml b/org.springframework.jdbc/pom.xml
index 9a7b1b3917..dcf8f1c2c7 100644
--- a/org.springframework.jdbc/pom.xml
+++ b/org.springframework.jdbc/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-jdbc</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/org.springframework.jms/pom.xml b/org.springframework.jms/pom.xml
index fccb1e4be6..244442bb47 100644
--- a/org.springframework.jms/pom.xml
+++ b/org.springframework.jms/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-jms</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.orm/pom.xml b/org.springframework.orm/pom.xml
index b9afd4b702..2916ab021c 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>3.1.0.RELEASE</version>
+	<version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
 	<dependencies>
 		<dependency>
diff --git a/org.springframework.oxm/pom.xml b/org.springframework.oxm/pom.xml
index 2217326212..a52d5f383b 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>3.1.0.RELEASE</version>
+	<version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<dependencies>
diff --git a/org.springframework.spring-library/pom.xml b/org.springframework.spring-library/pom.xml
index 67d84b46b7..cae43e3ca2 100644
--- a/org.springframework.spring-library/pom.xml
+++ b/org.springframework.spring-library/pom.xml
@@ -14,7 +14,7 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-library</artifactId>
   <packaging>libd</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.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 2d8a567c2f..1956c7d96c 100644
--- a/org.springframework.spring-parent/pom.xml
+++ b/org.springframework.spring-parent/pom.xml
@@ -14,7 +14,7 @@
   <artifactId>spring-parent</artifactId>
   <packaging>pom</packaging>
   <name>Spring Framework - Parent</name>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.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 628227cc63..85b279cf14 100644
--- a/org.springframework.test/pom.xml
+++ b/org.springframework.test/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-test</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.transaction/pom.xml b/org.springframework.transaction/pom.xml
index a425a3d58e..c043933a5c 100644
--- a/org.springframework.transaction/pom.xml
+++ b/org.springframework.transaction/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-tx</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.web.portlet/pom.xml b/org.springframework.web.portlet/pom.xml
index 8375d335ce..a29673296b 100644
--- a/org.springframework.web.portlet/pom.xml
+++ b/org.springframework.web.portlet/pom.xml
@@ -4,12 +4,12 @@
   <groupId>org.springframework</groupId>
   <artifactId>spring-webmvc-portlet</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/org.springframework.web.servlet/pom.xml b/org.springframework.web.servlet/pom.xml
index 5d73ea5fe0..c528170f82 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>3.1.0.RELEASE</version>
+	<version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<profiles>
diff --git a/org.springframework.web.struts/pom.xml b/org.springframework.web.struts/pom.xml
index ef83df0bf2..08c8d04d14 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>3.1.0.RELEASE</version>
+  <version>3.1.1.BUILD-SNAPSHOT</version>
   <parent>
     <groupId>org.springframework</groupId>
     <artifactId>spring-parent</artifactId>
     <relativePath>../org.springframework.spring-parent</relativePath>
-    <version>3.1.0.RELEASE</version>
+    <version>3.1.1.BUILD-SNAPSHOT</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/org.springframework.web/pom.xml b/org.springframework.web/pom.xml
index 40a18e0b6d..834b5edb01 100644
--- a/org.springframework.web/pom.xml
+++ b/org.springframework.web/pom.xml
@@ -5,12 +5,12 @@
 	<groupId>org.springframework</groupId>
 	<artifactId>spring-web</artifactId>
 	<packaging>jar</packaging>
-	<version>3.1.0.RELEASE</version>
+	<version>3.1.1.BUILD-SNAPSHOT</version>
 	<parent>
 		<groupId>org.springframework</groupId>
 		<artifactId>spring-parent</artifactId>
 		<relativePath>../org.springframework.spring-parent</relativePath>
-		<version>3.1.0.RELEASE</version>
+		<version>3.1.1.BUILD-SNAPSHOT</version>
 	</parent>
 
 	<dependencies>