diff --git a/2024/08/chat_demo1/tools/docker-compose.yaml b/2024/08/chat_demo1/tools/docker-compose.yaml
index c3a75c8..1ab0253 100644
--- a/2024/08/chat_demo1/tools/docker-compose.yaml
+++ b/2024/08/chat_demo1/tools/docker-compose.yaml
@@ -1,13 +1,13 @@
 services:
   zookeeper:
-    image: confluentinc/cp-zookeeper:7.5.0
+    image: confluentinc/cp-zookeeper:7.4.4
     environment:
       ZOOKEEPER_CLIENT_PORT: 2181
       ZOOKEEPER_TICK_TIME: 2000
     ports:
       - "22181:2181"
   broker:
-    image: confluentinc/cp-kafka:7.5.0
+    image: confluentinc/cp-kafka:7.4.4
     depends_on:
       - zookeeper
     environment: