diff --git a/nginx-nodejs-redis/docker-compose.yml b/nginx-nodejs-redis/docker-compose.yml
index c367ce5..9ca1f1c 100644
--- a/nginx-nodejs-redis/docker-compose.yml
+++ b/nginx-nodejs-redis/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '3.9'
+version: '3.6'
 services:
   redis:
     image: 'redis:alpine'