diff --git a/NettyInAction/pom.xml b/NettyInAction/pom.xml
index 83baa32..38ff8d2 100644
--- a/NettyInAction/pom.xml
+++ b/NettyInAction/pom.xml
@@ -17,7 +17,7 @@
     <properties>
         <java.version>1.8</java.version>
         <junit.version>4.11</junit.version>
-        <netty.version>4.1.12.Final</netty.version>
+        <netty.version>4.1.42.Final</netty.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     </properties>