diff --git a/app.json b/app.json
index f7c9004..5c6934a 100644
--- a/app.json
+++ b/app.json
@@ -60,7 +60,7 @@
       }
   ],
   "buildpacks": [{
-    "url": "https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest"
+    "url": "heroku buildpacks:add --index 1 https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest.git"
   }, {
     "url": "https://github.com/opendoor-labs/heroku-buildpack-p7zip"
   }, {