diff --git a/netty-case-analysis-lilinfeng-201810/pom.xml b/netty-case-analysis-lilinfeng-201810/pom.xml
index 1bea665..6fd22ca 100644
--- a/netty-case-analysis-lilinfeng-201810/pom.xml
+++ b/netty-case-analysis-lilinfeng-201810/pom.xml
@@ -11,6 +11,6 @@
 <dependencies><dependency>
     <groupId>io.netty</groupId>
     <artifactId>netty-all</artifactId>
-    <version>4.1.28.Final</version>
+    <version>4.1.42.Final</version>
 </dependency></dependencies>
 </project>
\ No newline at end of file