diff --git a/package.json b/package.json
index 05ef9f6..3e2eed4 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "chai": "3.5.0",
     "chai-as-promised": "5.3.0",
-    "coffee-script": "1.10.0",
+    "coffee-script": "1.11.0",
     "coveralls": "2.x",
     "istanbul": "0.4.4",
     "mocha": "2.5.3",