diff --git a/package.json b/package.json
index 05cbfda..6ee316f 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "chai": "^4.0.2",
     "eslint": "^4.1.0",
     "eslint-config-n7s": "^0.1.2",
-    "mocha": "^4.0.1",
+    "mocha": "^5.0.0",
     "mock-require": "^2.0.2",
     "nyc": "^11.0.2",
     "sinon": "^4.0.0"