diff --git a/testing-modules/mockserver/pom.xml b/testing-modules/mockserver/pom.xml
index 3495ddb09d9d..b65c7b3e61bc 100644
--- a/testing-modules/mockserver/pom.xml
+++ b/testing-modules/mockserver/pom.xml
@@ -38,7 +38,7 @@
     </dependencies>
 
     <properties>
-        <mock-sever-netty-version>3.10.8</mock-sever-netty-version>
+        <mock-sever-netty-version>5.6.1</mock-sever-netty-version>
         <apche-http-version>4.4.1</apche-http-version>
     </properties>