diff --git a/opt/zookeeper/pom.xml b/opt/zookeeper/pom.xml
old mode 100755
new mode 100644
index 068f21196..795411e6b
--- a/opt/zookeeper/pom.xml
+++ b/opt/zookeeper/pom.xml
@@ -278,7 +278,7 @@
     <hamcrest.version>1.3</hamcrest.version>
     <commons-cli.version>1.2</commons-cli.version>
     <jetty.version>9.4.17.v20190418</jetty.version>
-    <netty.version>4.1.42.Final</netty.version>
+    <netty.version>4.1.94.Final</netty.version>
     <jackson.version>2.9.10</jackson.version>
     <json.version>1.1.1</json.version>
     <jline.version>2.11</jline.version>