diff --git a/package.json b/package.json
index f67934d..c0bfeea 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "chai": "^4.1.2",
     "eslint": "^4.11.0",
     "eslint-config-pedant": "^1.0.0",
-    "mocha": "^4.0.1",
+    "mocha": "^5.0.0",
     "nyc": "^11.3.0",
     "proxyquire": "^1.8.0",
     "sinon": "^4.1.2",