diff --git a/oc-sso-notificatie/pom.xml b/oc-sso-notificatie/pom.xml
index 169b8cb..4261368 100644
--- a/oc-sso-notificatie/pom.xml
+++ b/oc-sso-notificatie/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>oc-sso-notificatie-parent</artifactId>
         <groupId>nl.kennisnet.services</groupId>
-        <version>2.3.1-SNAPSHOT</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index bb8e3e5..f86f909 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <groupId>nl.kennisnet.services</groupId>
     <artifactId>oc-sso-notificatie-parent</artifactId>
     <packaging>pom</packaging>
-    <version>2.3.1-SNAPSHOT</version>
+    <version>2.3.1</version>
     <modules>
         <module>oc-sso-notificatie</module>
         <module>release</module>
@@ -33,7 +33,7 @@
     <scm>
         <url>https://github.com/OpenConext/OpenConext-SSO-Notification</url>
         <developerConnection>scm:git:https://github.com/OpenConext/OpenConext-SSO-Notification.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>2.3.1</tag>
     </scm>
 
     <inceptionYear>2021</inceptionYear>
diff --git a/release/pom.xml b/release/pom.xml
index 8cde951..41366d0 100644
--- a/release/pom.xml
+++ b/release/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>oc-sso-notificatie-parent</artifactId>
         <groupId>nl.kennisnet.services</groupId>
-        <version>2.3.1-SNAPSHOT</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>