diff --git a/package.json b/package.json
index 1333071..8b45f7a 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "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",