diff --git a/app.json b/app.json
index d0b57518d23..5a15c6a06d7 100644
--- a/app.json
+++ b/app.json
@@ -175,5 +175,11 @@
       {
         "plan": "heroku-postgresql"
       }
-    ]
+    ],
+    "formation": {
+            "worker": {
+                "quantity": 1,
+                "size": "free"
+            }
+      }
 }