diff --git a/ph-css/pom.xml b/ph-css/pom.xml
index 92f3e982..04ab00ba 100644
--- a/ph-css/pom.xml
+++ b/ph-css/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.helger</groupId>
     <artifactId>ph-css-parent-pom</artifactId>
-    <version>6.4.0-SNAPSHOT</version>
+    <version>6.4.0</version>
   </parent>
   <artifactId>ph-css</artifactId>
   <packaging>bundle</packaging>
diff --git a/ph-csscompress-maven-plugin/pom.xml b/ph-csscompress-maven-plugin/pom.xml
index 7cc4522e..a0b25f42 100644
--- a/ph-csscompress-maven-plugin/pom.xml
+++ b/ph-csscompress-maven-plugin/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.helger</groupId>
     <artifactId>ph-css-parent-pom</artifactId>
-    <version>6.4.0-SNAPSHOT</version>
+    <version>6.4.0</version>
   </parent>
   <groupId>com.helger.maven</groupId>
   <artifactId>ph-csscompress-maven-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 79af7a45..efbce31d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     <version>1.11.4</version>
   </parent>
   <artifactId>ph-css-parent-pom</artifactId>
-  <version>6.4.0-SNAPSHOT</version>
+  <version>6.4.0</version>
   <packaging>pom</packaging>
   <name>ph-css-parent-pom</name>
   <description>Base POM to build the ph-css projects</description>
@@ -44,7 +44,7 @@
     <connection>scm:git:git@github.com:phax/ph-css.git</connection>
     <developerConnection>scm:git:git@github.com:phax/ph-css.git</developerConnection>
     <url>http://github.com/phax/ph-css</url>
-    <tag>HEAD</tag>
+    <tag>ph-css-parent-pom-6.4.0</tag>
   </scm>
 
   <organization>