diff --git a/package.json b/package.json
index 5c5c4a2..1f8baea 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "chai": "3.3.0",
-    "coffee-script": "1.10.0",
+    "coffee-script": "1.11.0",
     "mocha": "3.1.2"
   },
   "engines": {