diff --git a/pom.xml b/pom.xml
index efe56745..f346ead6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.ws</groupId>
 	<artifactId>spring-ws</artifactId>
-	<version>3.1.0-M1</version>
+	<version>3.1.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>Spring Web Services</name>
diff --git a/spring-ws-core/pom.xml b/spring-ws-core/pom.xml
index 481b1f7a..e7676534 100644
--- a/spring-ws-core/pom.xml
+++ b/spring-ws-core/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>spring-ws-core</artifactId>
diff --git a/spring-ws-security/pom.xml b/spring-ws-security/pom.xml
index 2555f83c..8141b669 100644
--- a/spring-ws-security/pom.xml
+++ b/spring-ws-security/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>spring-ws-security</artifactId>
diff --git a/spring-ws-support/pom.xml b/spring-ws-support/pom.xml
index 941c22ef..18fa3a6a 100644
--- a/spring-ws-support/pom.xml
+++ b/spring-ws-support/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>spring-ws-support</artifactId>
diff --git a/spring-ws-test/pom.xml b/spring-ws-test/pom.xml
index 890c3d34..ad8114ff 100644
--- a/spring-ws-test/pom.xml
+++ b/spring-ws-test/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>spring-ws-test</artifactId>
diff --git a/spring-xml/pom.xml b/spring-xml/pom.xml
index d5b01164..de5cd5eb 100644
--- a/spring-xml/pom.xml
+++ b/spring-xml/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws</artifactId>
-		<version>3.1.0-M1</version>
+		<version>3.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>spring-xml</artifactId>