diff --git a/package.json b/package.json
index 3d60de1..509d8b4 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "babel-preset-es2015": "^6.24.0",
     "chai": "^4.0.2",
     "coveralls": "^2.12.0",
-    "mocha": "^3.2.0",
+    "mocha": "^5.0.2",
     "nyc": "^11.0.0",
     "rimraf": "^2.6.1",
     "standard": "^10.0.1"