diff --git a/docker-compose.yml b/docker-compose.yml
index ee472ca..760924d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,6 +15,8 @@ services:
     build:
       context: .
       dockerfile: docker/Dockerfile.php
+    environment:
+      MYSQL_ROOT_PASSWORD: neptune_root_pass
     volumes:
       - ./backend:/var/www/backend
     depends_on: