diff --git a/package.json b/package.json
index 2e1353c727..5b3a81cefc 100644
--- a/package.json
+++ b/package.json
@@ -321,7 +321,7 @@
   "devDependencies": {
     "assert": "^1.4.1",
     "browserify": "^13.0.0",
-    "coffee-script": "^1.10.0",
+    "coffee-script": "^1.12.5",
     "coveralls": "^2.11.15",
     "expect.js": "^0.3.1",
     "istanbul-combine": "^0.3.0",