diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 0c66297b..7a8dee95
--- a/pom.xml
+++ b/pom.xml
@@ -159,7 +159,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.0.34.Final</version>
+            <version>4.1.42.Final</version>
             <scope>provided</scope>
         </dependency>
         <dependency>