diff --git a/plc4j/examples/plc4j-s7event/pom.xml b/plc4j/examples/plc4j-s7event/pom.xml
index ec09f9d1..98d9caf6 100644
--- a/plc4j/examples/plc4j-s7event/pom.xml
+++ b/plc4j/examples/plc4j-s7event/pom.xml
@@ -66,7 +66,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-buffer</artifactId>
-      <version>4.1.119.Final</version>
+      <version>4.2.7.Final</version>
     </dependency>
     <dependency>
       <groupId>io.netty</groupId>
diff --git a/plc4j/tools/plc4x-server/pom.xml b/plc4j/tools/plc4x-server/pom.xml
index b9d4a8c0..2359c3c3 100644
--- a/plc4j/tools/plc4x-server/pom.xml
+++ b/plc4j/tools/plc4x-server/pom.xml
@@ -123,7 +123,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-buffer</artifactId>
-      <version>4.1.123.Final</version>
+      <version>4.2.7.Final</version>
     </dependency>
     <dependency>
       <groupId>io.netty</groupId>