diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index dba1226..ae124c8
--- a/pom.xml
+++ b/pom.xml
@@ -138,7 +138,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.0.21.Final</version>
+      <version>4.1.42.Final</version>
     </dependency>
     <dependency>
       <groupId>com.aliyun.openservices.eas</groupId>