diff --git a/package.json b/package.json
index 2111933..04ae954 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
       "mocha": "1.3.0",
       "node-static": "~0.6.0",
       "requirejs": "2.0.2",
-      "coffee-script": "1.3.3,
+      "coffee-script": "1.3.3",
       "grunt-requirejs": "0.2.8",
       "grunt-recess": "0.1.0",
       "async": "0.1.22",