diff --git a/pom.xml b/pom.xml
index 875948f..201e6ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.39.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
         <dependency>