diff --git a/archetype/pom.xml b/archetype/pom.xml
index f37e58c4..e68cb8ef 100644
--- a/archetype/pom.xml
+++ b/archetype/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-ws-archetype</artifactId>
diff --git a/core-tiger/pom.xml b/core-tiger/pom.xml
index 6d44b8d5..cbf19b51 100644
--- a/core-tiger/pom.xml
+++ b/core-tiger/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-ws-core-tiger</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index c374f4d7..16cc5a88 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-ws-core</artifactId>
diff --git a/oxm-tiger/pom.xml b/oxm-tiger/pom.xml
index 8ed747a8..63823453 100644
--- a/oxm-tiger/pom.xml
+++ b/oxm-tiger/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-oxm-tiger</artifactId>
diff --git a/oxm/pom.xml b/oxm/pom.xml
index 6a80d565..2a2a05bf 100644
--- a/oxm/pom.xml
+++ b/oxm/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-oxm</artifactId>
diff --git a/parent/pom.xml b/parent/pom.xml
index 8bb595ce..515324ea 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -4,7 +4,7 @@
     <groupId>org.springframework.ws</groupId>
     <artifactId>spring-ws-parent</artifactId>
     <packaging>pom</packaging>
-    <version>1.5.6</version>
+    <version>1.5.6-SNAPSHOT</version>
     <name>Spring Web Services - Parent</name>
     <distributionManagement>
         <downloadUrl>http://static.springframework.org/spring-ws/site/downloads/releases.html</downloadUrl>
diff --git a/pom.xml b/pom.xml
index 05147e0d..98f7db6b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <groupId>org.springframework.ws</groupId>
     <artifactId>spring-ws</artifactId>
     <packaging>pom</packaging>
-    <version>1.5.6</version>
+    <version>1.5.6-SNAPSHOT</version>
     <name>Spring Web Services</name>
     <description>
         Spring Web Services is a product of the Spring community focused on creating document-driven Web services. It
diff --git a/samples/airline/pom.xml b/samples/airline/pom.xml
index cd1f0823..e80612f5 100644
--- a/samples/airline/pom.xml
+++ b/samples/airline/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-samples</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>airline</artifactId>
diff --git a/samples/echo/pom.xml b/samples/echo/pom.xml
index 9dc09c5f..7281acc3 100644
--- a/samples/echo/pom.xml
+++ b/samples/echo/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-samples</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>echo</artifactId>
diff --git a/samples/mtom/pom.xml b/samples/mtom/pom.xml
index 79cba379..28ca24e1 100644
--- a/samples/mtom/pom.xml
+++ b/samples/mtom/pom.xml
@@ -3,7 +3,7 @@
    <parent>
       <artifactId>spring-ws-samples</artifactId>
       <groupId>org.springframework.ws</groupId>
-      <version>1.5.6</version>
+      <version>1.5.6-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>mtom</artifactId>
diff --git a/samples/pom.xml b/samples/pom.xml
index 73e94b4e..2ea5280f 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-ws-samples</artifactId>
diff --git a/samples/pox/pom.xml b/samples/pox/pom.xml
index aeff070a..23cdc56c 100644
--- a/samples/pox/pom.xml
+++ b/samples/pox/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-samples</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pox</artifactId>
diff --git a/samples/stockquote/pom.xml b/samples/stockquote/pom.xml
index 6b5cdc7e..d1e4f625 100644
--- a/samples/stockquote/pom.xml
+++ b/samples/stockquote/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-samples</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>stockquote</artifactId>
diff --git a/samples/tutorial/pom.xml b/samples/tutorial/pom.xml
index 452e61df..3b0a733b 100644
--- a/samples/tutorial/pom.xml
+++ b/samples/tutorial/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>spring-ws-samples</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>tutorial</artifactId>
diff --git a/security/pom.xml b/security/pom.xml
index dfb82575..86eb6e83 100644
--- a/security/pom.xml
+++ b/security/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-ws-security</artifactId>
diff --git a/support/pom.xml b/support/pom.xml
index 2490e50a..80d93564 100644
--- a/support/pom.xml
+++ b/support/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.springframework.ws</groupId>
diff --git a/xml/pom.xml b/xml/pom.xml
index 5c6effed..cb71c903 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>spring-ws-parent</artifactId>
         <groupId>org.springframework.ws</groupId>
-        <version>1.5.6</version>
+        <version>1.5.6-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-xml</artifactId>