diff --git a/pom.xml b/pom.xml
index 3151afc..0e1d248 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.1.18.Final</version>
+        <version>4.1.42.Final</version>
       </dependency>
     </dependencies>
   </dependencyManagement>