diff --git a/dm/tests/mariadb_master_down_and_up/docker-compose.yml b/dm/tests/mariadb_master_down_and_up/docker-compose.yml
index e60a02156e4..9a555558853 100644
--- a/dm/tests/mariadb_master_down_and_up/docker-compose.yml
+++ b/dm/tests/mariadb_master_down_and_up/docker-compose.yml
@@ -38,5 +38,5 @@ services:
     hostname: tidb
     ports:
       - "4000:4000"
-    image: pingcap/tidb:latest
+    image: pingcap/tidb:nightly
     restart: always
diff --git a/dm/tests/upstream_switch/docker-compose.yml b/dm/tests/upstream_switch/docker-compose.yml
index 2beb3787da0..55d8cfabac5 100644
--- a/dm/tests/upstream_switch/docker-compose.yml
+++ b/dm/tests/upstream_switch/docker-compose.yml
@@ -76,5 +76,5 @@ services:
     networks:
       db-networks:
         ipv4_address: 172.28.128.8
-    image: pingcap/tidb:latest
+    image: pingcap/tidb:nightly
     restart: always