diff --git a/service/pom.xml b/service/pom.xml
old mode 100755
new mode 100644
index 369568a..fe53604
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -109,7 +109,7 @@
         <dependency>
             <artifactId>netty-common</artifactId>
             <groupId>io.netty</groupId>
-            <version>4.1.77.Final</version>
+            <version>4.1.115.Final</version>
         </dependency>
         <dependency>
             <groupId>com.typesafe.play</groupId>