diff --git a/package.json b/package.json
index e5ac80d..b9a3741 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   },
   "devDependencies": {
     "chai": "^4.1.0",
-    "coveralls": "^2.11.15",
+    "coveralls": "^2.13.2",
     "inspect-process": "^0.5.0",
     "mocha": "^3.1.2",
     "nyc": "^11.0.2",