diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index ba8bfd78..c298616c 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '2'
+version: '2.1'
 services:
   web:
     image: whyour/qinglong:latest