diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 5eb6e33..d4456ad
--- a/pom.xml
+++ b/pom.xml
@@ -58,7 +58,7 @@
     <dependency>
     	<groupId>io.netty</groupId>
     	<artifactId>netty-all</artifactId>
-    	<version>4.1.29.Final</version>
+    	<version>4.1.42.Final</version>
     </dependency>
     
     <dependency>