diff --git a/package.json b/package.json
index 19ad6d6..7d3b340 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "babel-core": "6.9.1",
     "babel-preset-es2015": "6.9.0",
     "coco": "0.9.1",
-    "coffee-script": "1.10.0",
+    "coffee-script": "1.12.6",
     "coveralls": "^2.11.9",
     "css-parse": "2.0.0",
     "dogescript": "2.3.0",