diff --git a/oidc-playground-client/pom.xml b/oidc-playground-client/pom.xml
index 13945a9..8cccbee 100644
--- a/oidc-playground-client/pom.xml
+++ b/oidc-playground-client/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.openconext</groupId>
         <artifactId>oidc-playground</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/oidc-playground-server/pom.xml b/oidc-playground-server/pom.xml
index 068fb59..59ad2e8 100644
--- a/oidc-playground-server/pom.xml
+++ b/oidc-playground-server/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.openconext</groupId>
         <artifactId>oidc-playground</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 051affc..504fce3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.openconext</groupId>
     <artifactId>oidc-playground</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0</version>
     <packaging>pom</packaging>
 
     <name>oidc-playground</name>