diff --git a/pom.xml b/pom.xml
index db7b4f9..d2c7dad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <netty.version>4.1.22.Final</netty.version>
+        <netty.version>4.1.42.Final</netty.version>
         <akka.version>2.5.3</akka.version>
         <protobuf.version>3.5.0</protobuf.version>
         <guava.version>24.0-jre</guava.version>