diff --git a/pom.xml b/pom.xml
index 8db0a2e..68530e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -345,7 +345,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.1.16.Final</version>
+      <version>4.1.42.Final</version>
       <scope>test</scope>
     </dependency>
     <dependency>