diff --git a/package.json b/package.json
index 8289e4a..57df129 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "coveralls": "^3.0.2",
+    "coveralls": "^3.0.14",
     "cross-env": "^5.2.0",
     "istanbul": "^0.4.5",
     "jshint": "^2.9.6",