diff --git a/docker/docker-compose.kafkacluster.yml b/docker/docker-compose.kafkacluster.yml
index 3506017..909d87d 100755
--- a/docker/docker-compose.kafkacluster.yml
+++ b/docker/docker-compose.kafkacluster.yml
@@ -73,7 +73,7 @@ services:
       CONNECT_LOG4J_LOGGERS: org.apache.zookeeper=ERROR,org.I0Itec.zkclient=ERROR,org.reflections=ERROR
 
   ksqldb-server:
-    image: confluentinc/cp-ksqldb-server:7.1.0
+    image: confluentinc/cp-ksqldb-server:7.3.0
     hostname: ksqldb-server
     container_name: ksqldb-server
     depends_on: