diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index b06ecca..454a4ac
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>org.apache.kafka</groupId>
       <artifactId>kafka-clients</artifactId>
-      <version>2.3.0</version>
+      <version>2.6.3</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>