diff --git a/reformcloud2-protocol/pom.xml b/reformcloud2-protocol/pom.xml
index e1d3b6672..4e3f6712f 100644
--- a/reformcloud2-protocol/pom.xml
+++ b/reformcloud2-protocol/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec</artifactId>
-            <version>4.1.51.Final</version>
+            <version>4.1.68.Final</version>
             <scope>provided</scope>
             <optional>true</optional>
         </dependency>