diff --git a/mqtt-broker/pom.xml b/mqtt-broker/pom.xml
index 2293b02f..54701c00 100644
--- a/mqtt-broker/pom.xml
+++ b/mqtt-broker/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>pulsar-protocol-handler-mqtt-parent</artifactId>
         <groupId>io.streamnative.pulsar.handlers</groupId>
-        <version>3.4.0-SNAPSHOT</version>
+        <version>4.0.10.9</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pulsar-protocol-handler-mqtt</artifactId>
diff --git a/mqtt-common/pom.xml b/mqtt-common/pom.xml
index 707ea52b..ad75f94c 100644
--- a/mqtt-common/pom.xml
+++ b/mqtt-common/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>pulsar-protocol-handler-mqtt-parent</artifactId>
         <groupId>io.streamnative.pulsar.handlers</groupId>
-        <version>3.4.0-SNAPSHOT</version>
+        <version>4.0.10.9</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pulsar-protocol-handler-mqtt-common</artifactId>
diff --git a/mqtt-proxy/pom.xml b/mqtt-proxy/pom.xml
index 47fdb6df..38fb70ca 100644
--- a/mqtt-proxy/pom.xml
+++ b/mqtt-proxy/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>pulsar-protocol-handler-mqtt-parent</artifactId>
         <groupId>io.streamnative.pulsar.handlers</groupId>
-        <version>3.4.0-SNAPSHOT</version>
+        <version>4.0.10.9</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pulsar-protocol-handler-mqtt-proxy</artifactId>
diff --git a/pom.xml b/pom.xml
index 5cfbdb03..1ef92ae8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <groupId>io.streamnative.pulsar.handlers</groupId>
     <artifactId>pulsar-protocol-handler-mqtt-parent</artifactId>
-    <version>3.4.0-SNAPSHOT</version>
+    <version>4.0.10.9</version>
     <name>StreamNative :: Pulsar Protocol Handler :: MoP Parent</name>
     <description>Parent for MQTT on Pulsar implemented using Pulsar Protocol Handler.</description>
 
diff --git a/tests/pom.xml b/tests/pom.xml
index dc84b269..a96964b9 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>pulsar-protocol-handler-mqtt-parent</artifactId>
         <groupId>io.streamnative.pulsar.handlers</groupId>
-        <version>3.4.0-SNAPSHOT</version>
+        <version>4.0.10.9</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pulsar-protocol-handler-mqtt-tests</artifactId>