diff --git a/dao/pom.xml b/dao/pom.xml
index f0c4b06f..804bb0ec 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.n52.sensorweb-server.dao-impl</groupId>
 		<artifactId>dao-impl-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0</version>
 	</parent>
 	<artifactId>dao-impl-dao</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index e93ba3fc..41f80bcd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     </parent>
     <groupId>org.n52.sensorweb-server.dao-impl</groupId> 
     <artifactId>dao-impl-parent</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0</version>
     <name>Sensor Web Server DAO Impl</name>
     <packaging>pom</packaging>
 
@@ -44,7 +44,7 @@
         <connection>scm:git:https://github.com/52North/sensorweb-server-dao-impl.git</connection>
         <developerConnection>scm:git:https://github.com/52North/sensorweb-server-dao-impl.git</developerConnection>
         <url>https://github.com/52North/sensorweb-server-dao-impl</url>
-        <tag>HEAD</tag>
+        <tag>v4.0.0</tag>
     </scm>
 
     <properties>
diff --git a/repo/pom.xml b/repo/pom.xml
index 271bd316..76d7b4ad 100644
--- a/repo/pom.xml
+++ b/repo/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.dao-impl</groupId> 
         <artifactId>dao-impl-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <artifactId>dao-impl-repo</artifactId>
     <packaging>jar</packaging>
diff --git a/repos/pom.xml b/repos/pom.xml
index b50751ed..6902334e 100644
--- a/repos/pom.xml
+++ b/repos/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.dao-impl</groupId>
         <artifactId>dao-impl-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <artifactId>dao-impl-repos</artifactId>
     <packaging>jar</packaging>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index c17cf43b..41a9fca2 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.dao-impl</groupId> 
         <artifactId>dao-impl-parent</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dao-impl-webapp</artifactId>