diff --git a/Netty-unpack/pom.xml b/Netty-unpack/pom.xml
index 6dba408..3e97306 100644
--- a/Netty-unpack/pom.xml
+++ b/Netty-unpack/pom.xml
@@ -14,7 +14,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>1.7</java.version>
-    <netty.version>4.1.17.Final</netty.version>
+    <netty.version>4.1.42.Final</netty.version>
     
   </properties>