diff --git a/package.json b/package.json
index 335e24162c5..59c327b4e39 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "istanbul": "1.1.0-alpha.1",
     "lerna": "2.9.0",
     "lint-staged": "6.1.1",
-    "mocha": "4.1.0",
+    "mocha": "5.0.4",
     "npm-check-updates": "2.14.1",
     "prettier": "1.11.1",
     "prettier-check": "2.0.0",