diff --git a/docker-compose-mysql.yml b/docker-compose-mysql.yml
index b863bb6..7b068d9 100644
--- a/docker-compose-mysql.yml
+++ b/docker-compose-mysql.yml
@@ -25,7 +25,7 @@ services:
     networks:
       - frontend
     depends_on:
-      app:
+      - app
     command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
   
   app:
diff --git a/docker-compose.yml b/docker-compose.yml
index e556482..f67c37e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -24,7 +24,7 @@ services:
     networks:
       - frontend
     depends_on:
-      app:
+      - app
     command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
   
   app:
@@ -43,7 +43,7 @@ services:
       - frontend
       - backend
     depends_on:
-      postfix:
+      - postfix
 
   postfix:
     container_name: reftest_postfix