diff --git a/pom.xml b/pom.xml
index 5064dc6..ee592cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.17.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>