diff --git a/extensions/open-mysql-db/pom.xml b/extensions/open-mysql-db/pom.xml
index e1732ef8cce..ad8a5aedcbe 100644
--- a/extensions/open-mysql-db/pom.xml
+++ b/extensions/open-mysql-db/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.target>1.7</maven.compiler.target>
 
         <java.version>11</java.version>
-        <netty.version>4.1.133.Final</netty.version>
+        <netty.version>4.1.136.Final</netty.version>
         <mysql.version>8.0.28</mysql.version>
     </properties>