diff --git a/app.json b/app.json
index cc35f74b..c0a5e9a2 100644
--- a/app.json
+++ b/app.json
@@ -6,7 +6,8 @@
         "name": "web check",
         "description": "Checking if the app responds to the GET /",
         "path": "/",
-        "attempts": 3
+        "attempts": 3,
+        "warn": true
       }
     ]
   }