diff --git a/package.json b/package.json
index f4d98e1..83b2ac7 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "accord": "0.26.3",
     "autoprefixer-stylus": "0.11.0",
     "chai": "3.5.0",
-    "coffee-script": "1.11.1",
+    "coffee-script": "1.12.0",
     "css-parse": "2.0.0",
     "mocha": "3.2.0",
     "stylus": "0.54.5"