diff --git a/pom.xml b/pom.xml
index 9ea0f3ea..c83d9b85 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.45.Final</version>
+            <version>4.1.56.Final</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>