diff --git a/package.json b/package.json
index 04c6ad9..1e7192e 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
       
   },
   "dependencies": {
+    "coffee-script": "^1.9.1",
   },
   "devDependencies": {
     "chai": "^2.0.0",