diff --git a/package.json b/package.json
index 9b62cb3..3948c36 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   },
   "devDependencies": {
     "chai": "^3.4.0",
-    "coveralls": "^2.11.4",
+    "coveralls": "^2.11.16",
     "eslint": "^3.1.0",
     "istanbul": "^0.4.0",
     "jscs": "^3.0.0",