diff --git a/as2-demo-spring-boot/pom.xml b/as2-demo-spring-boot/pom.xml
index 4cd96a96..0b58dc5e 100644
--- a/as2-demo-spring-boot/pom.xml
+++ b/as2-demo-spring-boot/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>com.helger.as2</groupId>
     <artifactId>as2-lib-parent-pom</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
   </parent>
   <artifactId>as2-demo-spring-boot</artifactId>
   <packaging>jar</packaging>
diff --git a/as2-demo-webapp/pom.xml b/as2-demo-webapp/pom.xml
index d9a8ce92..49879388 100644
--- a/as2-demo-webapp/pom.xml
+++ b/as2-demo-webapp/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.helger.as2</groupId>
     <artifactId>as2-lib-parent-pom</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
   </parent>
   <artifactId>as2-demo-webapp</artifactId>
   <packaging>war</packaging>
diff --git a/as2-lib/pom.xml b/as2-lib/pom.xml
index 094438cc..35496758 100644
--- a/as2-lib/pom.xml
+++ b/as2-lib/pom.xml
@@ -38,7 +38,7 @@
   <parent>
     <groupId>com.helger.as2</groupId>
     <artifactId>as2-lib-parent-pom</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
   </parent>
   <artifactId>as2-lib</artifactId>
   <packaging>bundle</packaging>
diff --git a/as2-partnership-mongodb/pom.xml b/as2-partnership-mongodb/pom.xml
index a8993d75..ef38576d 100644
--- a/as2-partnership-mongodb/pom.xml
+++ b/as2-partnership-mongodb/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.helger.as2</groupId>
     <artifactId>as2-lib-parent-pom</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
   </parent>
   <artifactId>as2-partnership-mongodb</artifactId>
   <packaging>bundle</packaging>
diff --git a/as2-server/pom.xml b/as2-server/pom.xml
index 05a0d975..3bc15948 100644
--- a/as2-server/pom.xml
+++ b/as2-server/pom.xml
@@ -37,7 +37,7 @@
   <parent>
     <groupId>com.helger.as2</groupId>
     <artifactId>as2-lib-parent-pom</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>as2-server</artifactId>
diff --git a/as2-servlet/pom.xml b/as2-servlet/pom.xml
index ac4e8cf8..9c6b65bc 100644
--- a/as2-servlet/pom.xml
+++ b/as2-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.helger.as2</groupId>
     <artifactId>as2-lib-parent-pom</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
   </parent>
   <artifactId>as2-servlet</artifactId>
   <packaging>bundle</packaging>
diff --git a/pom.xml b/pom.xml
index e68a2da4..7cb2d24d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
   </parent>
   <groupId>com.helger.as2</groupId>
   <artifactId>as2-lib-parent-pom</artifactId>
-  <version>5.1.1-SNAPSHOT</version>
+  <version>5.1.1</version>
   <packaging>pom</packaging>
   <name>as2-lib-parent-pom</name>
   <description>Base POM to build the as2-lib projects</description>
@@ -50,7 +50,7 @@
     <connection>scm:git:git@github.com:phax/as2-lib.git</connection>
     <developerConnection>scm:git:git@github.com:phax/as2-lib.git</developerConnection>
     <url>http://github.com/phax/as2-lib</url>
-    <tag>HEAD</tag>
+    <tag>as2-lib-parent-pom-5.1.1</tag>
   </scm>
 
   <organization>