diff --git a/OpenRobertaRobot/pom.xml b/OpenRobertaRobot/pom.xml
index b56d7dc2d1..88a6c13ce6 100644
--- a/OpenRobertaRobot/pom.xml
+++ b/OpenRobertaRobot/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <artifactId>OpenRobertaRobot</artifactId>
     <name>OpenRobertaRobot</name>
diff --git a/OpenRobertaServer/pom.xml b/OpenRobertaServer/pom.xml
index 2facb616ae..9be405a264 100644
--- a/OpenRobertaServer/pom.xml
+++ b/OpenRobertaServer/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <artifactId>OpenRobertaServer</artifactId>
     <name>OpenRobertaServer</name>
diff --git a/RobotArdu/pom.xml b/RobotArdu/pom.xml
index c8ae5fdaed..a46ca89fe1 100644
--- a/RobotArdu/pom.xml
+++ b/RobotArdu/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <artifactId>RobotArdu</artifactId>
     <name>RobotArdu</name>
diff --git a/RobotCyberpi/pom.xml b/RobotCyberpi/pom.xml
index 9709b965b2..f34a44d60a 100644
--- a/RobotCyberpi/pom.xml
+++ b/RobotCyberpi/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>de.fhg.iais.openroberta</groupId>
 		<artifactId>OpenRobertaParent</artifactId>
-		<version>5.2.21-SNAPSHOT</version>
+		<version>5.2.21</version>
 	</parent>
 
     <artifactId>RobotCyberpi</artifactId>
diff --git a/RobotEV3/pom.xml b/RobotEV3/pom.xml
index 8035ba16c8..12e4403716 100644
--- a/RobotEV3/pom.xml
+++ b/RobotEV3/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <artifactId>RobotEV3</artifactId>
     <name>RobotEV3</name>
diff --git a/RobotEdison/pom.xml b/RobotEdison/pom.xml
index cebd126c6b..1d082501aa 100644
--- a/RobotEdison/pom.xml
+++ b/RobotEdison/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <artifactId>OpenRobertaParent</artifactId>
         <groupId>de.fhg.iais.openroberta</groupId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/RobotFischertechnik/pom.xml b/RobotFischertechnik/pom.xml
index 4a354d7b24..c633449a0c 100644
--- a/RobotFischertechnik/pom.xml
+++ b/RobotFischertechnik/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
 
     <artifactId>RobotFischertechnik</artifactId>
diff --git a/RobotMbed/pom.xml b/RobotMbed/pom.xml
index dd5ab5fd7a..90221b4796 100644
--- a/RobotMbed/pom.xml
+++ b/RobotMbed/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>de.fhg.iais.openroberta</groupId>
 		<artifactId>OpenRobertaParent</artifactId>
-		<version>5.2.21-SNAPSHOT</version>
+		<version>5.2.21</version>
 	</parent>
 	<artifactId>RobotMbed</artifactId>
 	<name>RobotMbed</name>
diff --git a/RobotNAO/pom.xml b/RobotNAO/pom.xml
index a86ca0fe33..e1809b5b86 100644
--- a/RobotNAO/pom.xml
+++ b/RobotNAO/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>de.fhg.iais.openroberta</groupId>
 		<artifactId>OpenRobertaParent</artifactId>
-		<version>5.2.21-SNAPSHOT</version>
+		<version>5.2.21</version>
 	</parent>
 	<artifactId>RobotNAO</artifactId>
 	<name>RobotNAO</name>
diff --git a/RobotNXT/pom.xml b/RobotNXT/pom.xml
index c3ee743373..59b3307731 100644
--- a/RobotNXT/pom.xml
+++ b/RobotNXT/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>de.fhg.iais.openroberta</groupId>
 		<artifactId>OpenRobertaParent</artifactId>
-		<version>5.2.21-SNAPSHOT</version>
+		<version>5.2.21</version>
 	</parent>
 	<artifactId>RobotNXT</artifactId>
 	<name>RobotNXT</name>
diff --git a/RobotRobotino/pom.xml b/RobotRobotino/pom.xml
index 490fea22da..de0fad9918 100644
--- a/RobotRobotino/pom.xml
+++ b/RobotRobotino/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>OpenRobertaParent</artifactId>
         <groupId>de.fhg.iais.openroberta</groupId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/RobotSpike/pom.xml b/RobotSpike/pom.xml
index 0f32bbcc09..03ba516d9e 100644
--- a/RobotSpike/pom.xml
+++ b/RobotSpike/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
 
     <artifactId>RobotSpike</artifactId>
diff --git a/RobotThymio/pom.xml b/RobotThymio/pom.xml
index f1527ed40e..4a8981fdb3 100644
--- a/RobotThymio/pom.xml
+++ b/RobotThymio/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
 
     <artifactId>RobotThymio</artifactId>
diff --git a/RobotWeDo/pom.xml b/RobotWeDo/pom.xml
index bc2d911a39..a35f47c024 100644
--- a/RobotWeDo/pom.xml
+++ b/RobotWeDo/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>de.fhg.iais.openroberta</groupId>
         <artifactId>OpenRobertaParent</artifactId>
-        <version>5.2.21-SNAPSHOT</version>
+        <version>5.2.21</version>
     </parent>
     <artifactId>RobotWeDo</artifactId>
     <name>RobotWeDo</name>
diff --git a/pom.xml b/pom.xml
index ff50dccb01..be95c2e49f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>de.fhg.iais.openroberta</groupId>
     <artifactId>OpenRobertaParent</artifactId>
-    <version>5.2.21-SNAPSHOT</version>
+    <version>5.2.21</version>
     <packaging>pom</packaging>
     <name>RobertaParent</name>
     <description>the parent project of the OpenRoberta application</description>