diff --git a/docker-compose.yml b/docker-compose.yml
index 9d25358..4025769 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -29,7 +29,7 @@ services:
     deploy:
       restart_policy:
         condition: any
-        delay: 0
+        delay: '0'
         window: 10s
     environment:
       MONGO_USER: root
@@ -42,7 +42,7 @@ services:
     deploy:
       restart_policy:
         condition: any
-        delay: 0
+        delay: '0'
         window: 20s
     environment:
       MONGO_USER: root