diff --git a/j2se8/netty/helloworld/pom.xml b/j2se8/netty/helloworld/pom.xml
index 9e10815c..225005c0 100644
--- a/j2se8/netty/helloworld/pom.xml
+++ b/j2se8/netty/helloworld/pom.xml
@@ -15,7 +15,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>1.8</java.version>
-    <netty.version>4.1.25.Final</netty.version>
+    <netty.version>4.1.42.Final</netty.version>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
   </properties>