diff --git a/weixin4j-server/pom.xml b/weixin4j-server/pom.xml
index e0a0ed9e..6215d680 100644
--- a/weixin4j-server/pom.xml
+++ b/weixin4j-server/pom.xml
@@ -16,7 +16,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.1.8.Final</version>
+			<version>4.1.42.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>