diff --git a/package.json b/package.json
index 712b419..8260503 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "cake": "^0.1.1",
     "chai": "3.4.1",
     "chai-as-promised": "5.2.0",
-    "coffee-script": "^1.10.0",
+    "coffee-script": "^1.12.3",
     "express": "^4.12.4",
     "express-simulate-latency": "0.0.2",
     "mocha": "^2.2.5",