diff --git a/package.json b/package.json
index e41eb04..93f3fa1 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "devDependencies": {
     "chai": "^3.5.0",
     "co-mocha": "^1.1.3",
-    "coveralls": "^2.11.13",
+    "coveralls": "^2.13.0",
     "istanbul": "^0.4.4",
     "mocha": "^3.0.0",
     "nock": "^8.0.0",