diff --git a/notes/Netty-flash/nettyFlash/pom.xml b/notes/Netty-flash/nettyFlash/pom.xml
index 7a10789..8100d3a 100644
--- a/notes/Netty-flash/nettyFlash/pom.xml
+++ b/notes/Netty-flash/nettyFlash/pom.xml
@@ -25,7 +25,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.1.6.Final</version>
+      <version>4.1.42.Final</version>
     </dependency>
   </dependencies>
 </project>