diff --git a/package.json b/package.json
index 11fc3066..f2681ce8 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "JSONStream": "^0.10.0",
     "blinking": "~0.0.2",
     "bluebird": "^2.6.0",
-    "coffee-script": "~1.8.0",
+    "coffee-script": "~1.9.1",
     "csr-gen": "~0.2.1",
     "dockerode": "~2.0.0",
     "event-stream": "^3.0.20",