diff --git a/app.json b/app.json
index b0e5b0d770..9c0c2d1f4a 100644
--- a/app.json
+++ b/app.json
@@ -45,6 +45,9 @@
     {
       "url": "heroku/nodejs"
     },
+    {
+      "url": "https://github.com/rails-sqlserver/heroku-buildpack-freetds#v1.1.2"
+    },
     {
       "url": "heroku/ruby"
     }