diff --git a/mqtt-broker/pom.xml b/mqtt-broker/pom.xml
index 2293b02f..2fe55290 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>4.0.12.1</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..f5eb2ce8 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>4.0.12.1</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..019c8780 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>4.0.12.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pulsar-protocol-handler-mqtt-proxy</artifactId>
diff --git a/pom.xml b/pom.xml
index 5cfbdb03..11864230 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>4.0.12.1</version>
     <name>StreamNative :: Pulsar Protocol Handler :: MoP Parent</name>
     <description>Parent for MQTT on Pulsar implemented using Pulsar Protocol Handler.</description>
 
@@ -51,8 +51,8 @@
         <mockito.version>2.22.0</mockito.version>
         <testng.version>6.14.3</testng.version>
         <awaitility.version>4.0.2</awaitility.version>
-        <pulsar.version>4.0.10.9</pulsar.version>
-        <sn.bom.version>4.0.10.9</sn.bom.version>
+        <pulsar.version>4.0.12.1</pulsar.version>
+        <sn.bom.version>4.0.12.1</sn.bom.version>
         <log4j2.version>2.18.0</log4j2.version>
         <fusesource.client.version>1.16</fusesource.client.version>
         <hivemq.mqtt.client.version>1.2.2</hivemq.mqtt.client.version>
diff --git a/tests/pom.xml b/tests/pom.xml
index dc84b269..288e937d 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>4.0.12.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>pulsar-protocol-handler-mqtt-tests</artifactId>