diff --git a/docker-compose.yml b/docker-compose.yml
index 6823563..9c06f54 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,3 +1,4 @@
+version: '3.7'
 services:
   db:
     image: mariadb:${MARIADB_IMG_TAG}