diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d231c51d..083065d6
--- a/pom.xml
+++ b/pom.xml
@@ -559,7 +559,7 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.0.42.Final</version>
+        <version>4.1.42.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>