diff --git a/javasimple-RPC/pom.xml b/javasimple-RPC/pom.xml
index 8626baa..ec0ecfa 100644
--- a/javasimple-RPC/pom.xml
+++ b/javasimple-RPC/pom.xml
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.16Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
 
         <dependency>