diff --git a/package.json b/package.json
index 255986d..11226b6 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@strv/eslint-config-javascript": "^5.0.0",
     "chai": "^3.4.0",
-    "coveralls": "^2.11.4",
+    "coveralls": "^2.13.1",
     "eslint": "^3.0.0",
     "istanbul": "^0.4.0",
     "jsdoc": "^3.3.3",