diff --git a/docker/docker-compose.kafkacluster.yml b/docker/docker-compose.kafkacluster.yml
index 3506017..0031176 100755
--- a/docker/docker-compose.kafkacluster.yml
+++ b/docker/docker-compose.kafkacluster.yml
@@ -2,7 +2,7 @@
 version: '2'
 services:
   zookeeper:
-    image: confluentinc/cp-zookeeper:7.1.0
+    image: confluentinc/cp-zookeeper:7.3.3
     hostname: zookeeper
     container_name: zookeeper
     ports: