[maven-release-plugin] prepare release wicket-6.20.0
diff --git a/archetypes/quickstart/pom.xml b/archetypes/quickstart/pom.xml
index 7826742..e21a338 100644
--- a/archetypes/quickstart/pom.xml
+++ b/archetypes/quickstart/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-archetype-quickstart</artifactId>
diff --git a/pom.xml b/pom.xml
index 8ff21bd..49bd481 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
 	</parent>
 	<groupId>org.apache.wicket</groupId>
 	<artifactId>wicket-parent</artifactId>
-	<version>6.20.0-SNAPSHOT</version>
+	<version>6.20.0</version>
 	<packaging>pom</packaging>
 	<name>Wicket Parent</name>
 	<description>Wicket is a Java-based open source component web application framework.</description>
@@ -180,7 +180,7 @@
 		<connection>scm:git:http://git-wip-us.apache.org/repos/asf/wicket.git</connection>
 		<developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/wicket.git</developerConnection>
 		<url>http://git-wip-us.apache.org/repos/asf/wicket/repo?p=wicket.git</url>
-	  <tag>HEAD</tag>
+	  <tag>wicket-6.20.0</tag>
   </scm>
 	<mailingLists>
 		<mailingList>
@@ -221,7 +221,7 @@
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<!-- It seems there is a bug in Maven (2.2.1 & 3.0.1) and
 				type 'pom' is not properly inherited. I.e. the
 				dependency management doesn't work -->
@@ -230,121 +230,121 @@
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-core</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-cdi</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-devutils</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-request</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-extensions</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-util</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-guice</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-ioc</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-jmx</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-spring</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-auth-roles</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-datetime</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-velocity</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-bean-validation</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-native-websocket-core</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-native-websocket-jetty</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-native-websocket-jetty9</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-native-websocket-tomcat</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket.experimental.wicket6</groupId>
 				<artifactId>wicket-atmosphere</artifactId>
-				<version>0.23-SNAPSHOT</version>
+				<version>0.23</version>
 				<type>jar</type>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.wicket</groupId>
 				<artifactId>wicket-cdi-1.1</artifactId>
-				<version>6.20.0-SNAPSHOT</version>
+				<version>6.20.0</version>
 			</dependency>
 			<dependency>
 				<groupId>junit</groupId>
@@ -963,7 +963,7 @@
 										</goals>
 									</pluginExecutionFilter>
 									<action>
-										<ignore></ignore>
+										<ignore />
 									</action>
 								</pluginExecution>
 							</pluginExecutions>
diff --git a/testing/wicket-common-tests/pom.xml b/testing/wicket-common-tests/pom.xml
index 6aa45c3..78629e5 100644
--- a/testing/wicket-common-tests/pom.xml
+++ b/testing/wicket-common-tests/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>org.apache.wicket</groupId>
diff --git a/testing/wicket-js-tests/pom.xml b/testing/wicket-js-tests/pom.xml
index 2542fd4..3396a6e 100644
--- a/testing/wicket-js-tests/pom.xml
+++ b/testing/wicket-js-tests/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-js-tests</artifactId>
diff --git a/wicket-auth-roles/pom.xml b/wicket-auth-roles/pom.xml
index 4daf945..9fd4f8a 100644
--- a/wicket-auth-roles/pom.xml
+++ b/wicket-auth-roles/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-auth-roles</artifactId>
diff --git a/wicket-bean-validation/pom.xml b/wicket-bean-validation/pom.xml
index 294976d..b2fb26b 100644
--- a/wicket-bean-validation/pom.xml
+++ b/wicket-bean-validation/pom.xml
@@ -4,11 +4,11 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-bean-validation</artifactId>
-	<version>6.20.0-SNAPSHOT</version>
+	<version>6.20.0</version>
 	<name>Wicket Bean Validation</name>
 
 	<dependencies>
diff --git a/wicket-cdi-1.1/pom.xml b/wicket-cdi-1.1/pom.xml
index df642f1..7f5eb0b 100644
--- a/wicket-cdi-1.1/pom.xml
+++ b/wicket-cdi-1.1/pom.xml
@@ -20,12 +20,12 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-cdi-1.1</artifactId>
 	<packaging>jar</packaging>
-	<version>6.20.0-SNAPSHOT</version>
+	<version>6.20.0</version>
 	<name>Wicket CDI 1.1</name>
 	<description>
 		Provides integration between Wicket and CDI containers. Enables injection of
diff --git a/wicket-cdi/pom.xml b/wicket-cdi/pom.xml
index ebb2c1b..bd2053a 100644
--- a/wicket-cdi/pom.xml
+++ b/wicket-cdi/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-cdi</artifactId>
diff --git a/wicket-core/pom.xml b/wicket-core/pom.xml
index 303f687..01ef1cf 100644
--- a/wicket-core/pom.xml
+++ b/wicket-core/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-core</artifactId>
diff --git a/wicket-datetime/pom.xml b/wicket-datetime/pom.xml
index a8006ed..304311a 100644
--- a/wicket-datetime/pom.xml
+++ b/wicket-datetime/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-datetime</artifactId>
diff --git a/wicket-devutils/pom.xml b/wicket-devutils/pom.xml
index c5b2af0..af0491e 100644
--- a/wicket-devutils/pom.xml
+++ b/wicket-devutils/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-devutils</artifactId>
diff --git a/wicket-examples/pom.xml b/wicket-examples/pom.xml
index 9594960..021c384 100644
--- a/wicket-examples/pom.xml
+++ b/wicket-examples/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-examples</artifactId>
diff --git a/wicket-experimental/pom.xml b/wicket-experimental/pom.xml
index a91b5c3..b40fd23 100644
--- a/wicket-experimental/pom.xml
+++ b/wicket-experimental/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>org.apache.wicket.experimental.wicket6</groupId>
diff --git a/wicket-experimental/wicket-atmosphere/pom.xml b/wicket-experimental/wicket-atmosphere/pom.xml
index 0814598..f777b6b 100644
--- a/wicket-experimental/wicket-atmosphere/pom.xml
+++ b/wicket-experimental/wicket-atmosphere/pom.xml
@@ -20,11 +20,11 @@
 	<parent>
 		<groupId>org.apache.wicket.experimental.wicket6</groupId>
 		<artifactId>wicket-experimental</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-atmosphere</artifactId>
-	<version>0.23-SNAPSHOT</version>
+	<version>0.23</version>
 	<packaging>jar</packaging>
 	<properties>
 		<atmosphere.version>2.2.2</atmosphere.version>
diff --git a/wicket-extensions/pom.xml b/wicket-extensions/pom.xml
index 9205a8f..e099c04 100644
--- a/wicket-extensions/pom.xml
+++ b/wicket-extensions/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-extensions</artifactId>
diff --git a/wicket-guice/pom.xml b/wicket-guice/pom.xml
index 6b037c8..2a3d3d9 100644
--- a/wicket-guice/pom.xml
+++ b/wicket-guice/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-guice</artifactId>
diff --git a/wicket-ioc/pom.xml b/wicket-ioc/pom.xml
index 543a3a1..f082511 100644
--- a/wicket-ioc/pom.xml
+++ b/wicket-ioc/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-ioc</artifactId>
diff --git a/wicket-jmx/pom.xml b/wicket-jmx/pom.xml
index e9b604c..8f38693 100644
--- a/wicket-jmx/pom.xml
+++ b/wicket-jmx/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-jmx</artifactId>
diff --git a/wicket-native-websocket/pom.xml b/wicket-native-websocket/pom.xml
index e951fd4..cde4293 100644
--- a/wicket-native-websocket/pom.xml
+++ b/wicket-native-websocket/pom.xml
@@ -20,11 +20,11 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-native-websocket</artifactId>
-    <version>6.20.0-SNAPSHOT</version>
+    <version>6.20.0</version>
 	<packaging>pom</packaging>
 	<name>Wicket Native WebSocket Parent</name>
 	<description>Wicket Native WebSocket provides native integration for WebSocket support with Servlet web containers.</description>
diff --git a/wicket-native-websocket/wicket-native-websocket-core/pom.xml b/wicket-native-websocket/wicket-native-websocket-core/pom.xml
index 8c35b64..37d1985 100644
--- a/wicket-native-websocket/wicket-native-websocket-core/pom.xml
+++ b/wicket-native-websocket/wicket-native-websocket-core/pom.xml
@@ -21,13 +21,13 @@
     <parent>
         <groupId>org.apache.wicket</groupId>
         <artifactId>wicket-native-websocket</artifactId>
-        <version>6.20.0-SNAPSHOT</version>
+        <version>6.20.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>wicket-native-websocket-core</artifactId>
     <packaging>jar</packaging>
-    <version>6.20.0-SNAPSHOT</version>
+    <version>6.20.0</version>
     <name>Wicket Native WebSocket Core</name>
     <description>Provides the common code needed for the different integrations with web container's WebSocket implementations</description>
 
diff --git a/wicket-native-websocket/wicket-native-websocket-jetty/pom.xml b/wicket-native-websocket/wicket-native-websocket-jetty/pom.xml
index 6265ad7..e9675a7 100644
--- a/wicket-native-websocket/wicket-native-websocket-jetty/pom.xml
+++ b/wicket-native-websocket/wicket-native-websocket-jetty/pom.xml
@@ -20,12 +20,12 @@
     <parent>
         <groupId>org.apache.wicket</groupId>
         <artifactId>wicket-native-websocket</artifactId>
-        <version>6.20.0-SNAPSHOT</version>
+        <version>6.20.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>wicket-native-websocket-jetty</artifactId>
     <packaging>jar</packaging>
-    <version>6.20.0-SNAPSHOT</version>
+    <version>6.20.0</version>
     <name>Wicket Native WebSocket Jetty</name>
     <description>Provides the code specific to integrate with Jetty web container</description>
     <dependencies>
diff --git a/wicket-native-websocket/wicket-native-websocket-jetty9/pom.xml b/wicket-native-websocket/wicket-native-websocket-jetty9/pom.xml
index a8849cf..5950842 100644
--- a/wicket-native-websocket/wicket-native-websocket-jetty9/pom.xml
+++ b/wicket-native-websocket/wicket-native-websocket-jetty9/pom.xml
@@ -20,12 +20,12 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-native-websocket</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-native-websocket-jetty9</artifactId>
 	<packaging>jar</packaging>
-	<version>6.20.0-SNAPSHOT</version>
+	<version>6.20.0</version>
 	<name>Wicket Native WebSocket Jetty 9</name>
 	<description>Provides the code specific to integrate with Jetty 9 web container</description>
 	<dependencies>
diff --git a/wicket-native-websocket/wicket-native-websocket-tomcat/pom.xml b/wicket-native-websocket/wicket-native-websocket-tomcat/pom.xml
index 14b1998..ad346eb 100644
--- a/wicket-native-websocket/wicket-native-websocket-tomcat/pom.xml
+++ b/wicket-native-websocket/wicket-native-websocket-tomcat/pom.xml
@@ -20,12 +20,12 @@
     <parent>
         <groupId>org.apache.wicket</groupId>
         <artifactId>wicket-native-websocket</artifactId>
-        <version>6.20.0-SNAPSHOT</version>
+        <version>6.20.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>wicket-native-websocket-tomcat</artifactId>
     <packaging>jar</packaging>
-    <version>6.20.0-SNAPSHOT</version>
+    <version>6.20.0</version>
     <name>Wicket Native WebSocket Tomcat 7.x</name>
     <description>Provides the code specific to integrate with Tomcat web container</description>
 
diff --git a/wicket-objectsizeof-agent/pom.xml b/wicket-objectsizeof-agent/pom.xml
index 3a992cb..8a281e9 100644
--- a/wicket-objectsizeof-agent/pom.xml
+++ b/wicket-objectsizeof-agent/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-objectsizeof-agent</artifactId>
diff --git a/wicket-request/pom.xml b/wicket-request/pom.xml
index e53b34f..7f6db29 100755
--- a/wicket-request/pom.xml
+++ b/wicket-request/pom.xml
@@ -20,11 +20,11 @@
   <parent>
     <artifactId>wicket-parent</artifactId>
     <groupId>org.apache.wicket</groupId>
-    <version>6.20.0-SNAPSHOT</version>
+    <version>6.20.0</version>
   </parent>
   <groupId>org.apache.wicket</groupId>
   <artifactId>wicket-request</artifactId>
-  <version>6.20.0-SNAPSHOT</version>
+  <version>6.20.0</version>
   <name>Wicket Request</name>
   <url>http://maven.apache.org</url>
   <dependencies>
diff --git a/wicket-spring/pom.xml b/wicket-spring/pom.xml
index aff7bf2..14c23cc 100644
--- a/wicket-spring/pom.xml
+++ b/wicket-spring/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-spring</artifactId>
diff --git a/wicket-user-guide/pom.xml b/wicket-user-guide/pom.xml
index 0ca4450..83ff259 100644
--- a/wicket-user-guide/pom.xml
+++ b/wicket-user-guide/pom.xml
@@ -15,13 +15,12 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<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/maven-v4_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/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-user-guide</artifactId>
diff --git a/wicket-util/pom.xml b/wicket-util/pom.xml
index c316fc4..c3fd586 100755
--- a/wicket-util/pom.xml
+++ b/wicket-util/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-util</artifactId>
diff --git a/wicket-velocity/pom.xml b/wicket-velocity/pom.xml
index a1d5355..a567551 100644
--- a/wicket-velocity/pom.xml
+++ b/wicket-velocity/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket-velocity</artifactId>
diff --git a/wicket/pom.xml b/wicket/pom.xml
index 0a5a217..ddd645c 100644
--- a/wicket/pom.xml
+++ b/wicket/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>org.apache.wicket</groupId>
 		<artifactId>wicket-parent</artifactId>
-		<version>6.20.0-SNAPSHOT</version>
+		<version>6.20.0</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>wicket</artifactId>