diff --git a/java-library/pom.xml b/java-library/pom.xml
old mode 100755
new mode 100644
index b1ce26b6..f1cfd5ad
--- a/java-library/pom.xml
+++ b/java-library/pom.xml
@@ -289,7 +289,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.5.final</version>
+            <version>4.1.42.Final</version>
         </dependency>
 
         <dependency>