diff --git a/.buildpacks b/.buildpacks
deleted file mode 100644
index f38459f8..00000000
--- a/.buildpacks
+++ /dev/null
@@ -1,2 +0,0 @@
-https://github.com/heroku/heroku-buildpack-nodejs
-https://github.com/heroku/heroku-buildpack-ruby
diff --git a/app.json b/app.json
index 379d5c88..448a0d08 100644
--- a/app.json
+++ b/app.json
@@ -22,6 +22,13 @@
     "MANDRILL_PASSWORD": "REDACTED",
     "MANDRILL_API_KEY": "REDACTED",
     "MANDRILL_DOMAIN": "heroku.com",
-    "BUILDPACK_URL": "https://github.com/ddollar/heroku-buildpack-multi.git"
-  }
+  },
+  "buildpacks" : [
+    {
+      "url": "https://github.com/heroku/heroku-buildpack-nodejs"
+    },
+    {
+      "url": "https://github.com/heroku/heroku-buildpack-ruby"
+    }
+  ]
 }