diff --git a/demos/pinboarddemo-client/pom.xml b/demos/pinboarddemo-client/pom.xml
index f6a8f65..64f06ea 100644
--- a/demos/pinboarddemo-client/pom.xml
+++ b/demos/pinboarddemo-client/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	
diff --git a/demos/pinboarddemo-server/pom.xml b/demos/pinboarddemo-server/pom.xml
index 1701e2d..dd164bc 100644
--- a/demos/pinboarddemo-server/pom.xml
+++ b/demos/pinboarddemo-server/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	
diff --git a/demos/sliderdemo/pom.xml b/demos/sliderdemo/pom.xml
index 22f5a11..810696a 100644
--- a/demos/sliderdemo/pom.xml
+++ b/demos/sliderdemo/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>synchronizefx</groupId>
 	<artifactId>sliderdemo</artifactId>
-	<version>0.3.1-SNAPSHOT</version>
+	<version>0.4.0</version>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -44,7 +44,7 @@
 		<dependency>
 			<groupId>de.saxsys.synchronizefx</groupId>
 			<artifactId>synchronizefx</artifactId>
-			<version>0.3.1-SNAPSHOT</version>
+			<version>0.4.0</version>
 		</dependency>
 		<dependency>
 			<!-- Getting rid of the SLF4J error messages at start and silently discarding 
diff --git a/kryo-serializer/pom.xml b/kryo-serializer/pom.xml
index e5e61d3..1bbbbfb 100755
--- a/kryo-serializer/pom.xml
+++ b/kryo-serializer/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>..</relativePath>
 	</parent>
 	
diff --git a/pom.xml b/pom.xml
index 8408c08..4a4753f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,10 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>de.saxsys.synchronizefx</groupId>
 	<artifactId>parent</artifactId>
-	<version>0.3.1-SNAPSHOT</version>
+	<version>0.4.0</version>
 	<packaging>pom</packaging>
 
 	<name>SynchronizeFX</name>
@@ -58,7 +57,7 @@
 		<url>https://github.com/saxsys/SynchronizeFX</url>
 		<developerConnection>scm:git:git@github.com:saxsys/SynchronizeFX.git</developerConnection>
 		<connection>scm:git:https://github.com/saxsys/SynchronizeFX.git</connection>
-		<tag>HEAD</tag>
+		<tag>v0.4.0</tag>
 	</scm>
 	<issueManagement>
 		<system>GitHub Issues</system>
diff --git a/synchronizefx-core/pom.xml b/synchronizefx-core/pom.xml
index 37ad2f1..50efa9c 100755
--- a/synchronizefx-core/pom.xml
+++ b/synchronizefx-core/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>synchronizefx-core</artifactId>
diff --git a/synchronizefx/pom.xml b/synchronizefx/pom.xml
index 1e25582..e3fa99e 100755
--- a/synchronizefx/pom.xml
+++ b/synchronizefx/pom.xml
@@ -1,11 +1,10 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>..</relativePath>
 	</parent>
 
diff --git a/transmitter/netty-transmitter/pom.xml b/transmitter/netty-transmitter/pom.xml
index 912b6cb..9120ba6 100755
--- a/transmitter/netty-transmitter/pom.xml
+++ b/transmitter/netty-transmitter/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<artifactId>netty-transmitter</artifactId>
diff --git a/transmitter/netty-websocket-transmitter/pom.xml b/transmitter/netty-websocket-transmitter/pom.xml
index d60c98d..95a53bb 100644
--- a/transmitter/netty-websocket-transmitter/pom.xml
+++ b/transmitter/netty-websocket-transmitter/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<artifactId>netty-websocket-transmitter</artifactId>
diff --git a/transmitter/tomcat-transmitter/pom.xml b/transmitter/tomcat-transmitter/pom.xml
index ab53229..dd1d3b8 100644
--- a/transmitter/tomcat-transmitter/pom.xml
+++ b/transmitter/tomcat-transmitter/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>de.saxsys.synchronizefx</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.4.0</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<artifactId>tomcat-transmitter</artifactId>