diff --git a/deployments/docker/standalone/docker-compose.yml b/deployments/docker/standalone/docker-compose.yml
index e9ec8fdd9e..b8d50f605d 100644
--- a/deployments/docker/standalone/docker-compose.yml
+++ b/deployments/docker/standalone/docker-compose.yml
@@ -38,6 +38,7 @@ services:
       - ${DOCKER_VOLUME_DIRECTORY:-.}/volumes/milvus:/var/lib/milvus
     ports:
       - "19530:19530"
+      - "9091:9091"
     depends_on:
       - "etcd"
       - "minio"