diff --git a/package.json b/package.json
index a67537d..b6c93b6 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "browserify": "^13.0.1",
-    "coveralls": "^2.11.1",
+    "coveralls": "^2.13.0",
     "eslint": "^3.0.0",
     "gulp": "^3.8.7",
     "istanbul": "^0.4.2",