diff --git a/package.json b/package.json
index 9bdc56e..9020f42 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "co-mocha": "^1.1.2",
-    "coveralls": "^2.11.9",
+    "coveralls": "^2.13.2",
     "express": "^4.13.4",
     "istanbul": "^1.0.0-alpha.2",
     "mocha": "^3.2.0",