diff --git a/engine/pom.xml b/engine/pom.xml
index aa211c47..a497f2cd 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>engine</artifactId>
diff --git a/iceland-stream/pom.xml b/iceland-stream/pom.xml
index 87a516ec..9dad7e97 100644
--- a/iceland-stream/pom.xml
+++ b/iceland-stream/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
     <artifactId>iceland-stream</artifactId>
     <name>52°North Iceland Streaming Interfaces</name>
diff --git a/kvp/pom.xml b/kvp/pom.xml
index 14315712..847c9869 100644
--- a/kvp/pom.xml
+++ b/kvp/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
     <artifactId>kvp</artifactId>
     <name>52°North javaPS KVP Binding</name>
diff --git a/pom.xml b/pom.xml
index 130ab069..9c206f26 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.n52.wps</groupId>
     <artifactId>javaPS</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.3.1</version>
     <packaging>pom</packaging>
 
     <name>52°North javaPS</name>
@@ -78,7 +78,7 @@
         <url>https://github.com/52North/javaPS</url>
         <connection>scm:git:git://github.com/52North/javaPS.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/52North/javaPS.git</developerConnection>
-      <tag>HEAD</tag>
+      <tag>v1.3.1</tag>
     </scm>
 
     <issueManagement>
diff --git a/service/pom.xml b/service/pom.xml
index 809d19f3..4c7a79ab 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>service</artifactId>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index 1beb4bfe..c572749e 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 	
     <artifactId>webapp</artifactId>
diff --git a/xml/pom.xml b/xml/pom.xml
index c7573dd7..253d03fa 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.wps</groupId>
         <artifactId>javaPS</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
     <artifactId>xml</artifactId>
     <name>52°North javaPS POX Binding</name>