diff --git a/third-party-technology-sample/netty-sample/pom.xml b/third-party-technology-sample/netty-sample/pom.xml
index 2d05a6b..0006119 100644
--- a/third-party-technology-sample/netty-sample/pom.xml
+++ b/third-party-technology-sample/netty-sample/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.35.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file