diff --git a/cosmic-core/server/pom.xml b/cosmic-core/server/pom.xml
old mode 100755
new mode 100644
index 08b0180b6..9a54b4025
--- a/cosmic-core/server/pom.xml
+++ b/cosmic-core/server/pom.xml
@@ -95,7 +95,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>2.2.0</version>
+            <version>2.6.3</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>