diff --git a/package.json b/package.json
index 23e89ea..d88cf55 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "chai": "^3.5.0",
     "jshint": "^2.9.2",
     "istanbul": "^0.4.4",
-    "coveralls": "^2.11.12"
+    "coveralls": "^2.13.0"
   },
   "keywords": [
     "bluebird"