diff --git a/package.json b/package.json
index b7957db..4357b47 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
         "husky": "^0.14.3",
         "istanbul": "^0.4.5",
         "lint-staged": "^7.0.0",
-        "mocha": "^3.0.1",
+        "mocha": "^5.0.5",
         "prettier": "^1.10.2",
         "remap-istanbul": "^0.11.0",
         "sinon": "^4.1.2",