diff --git a/package.json b/package.json
index 0071f18..c4b7d22 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "eslint-plugin-jsx-a11y": "^5.1.1",
     "eslint-plugin-react": "^7.3.0",
     "jsdoc": "^3.5.4",
-    "mocha": "^4.0.0",
+    "mocha": "^5.0.0",
     "nyc": "^11.2.1"
   },
   "greenkeeper": {