diff --git a/thunder-core/pom.xml b/thunder-core/pom.xml
index 2db1ef9b..1c0b6b9e 100644
--- a/thunder-core/pom.xml
+++ b/thunder-core/pom.xml
@@ -162,7 +162,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.0.33.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>