diff --git a/rpc-core/pom.xml b/rpc-core/pom.xml
index 1b5558e..eb2c9f2 100644
--- a/rpc-core/pom.xml
+++ b/rpc-core/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.16.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
     </dependencies>