diff --git a/package.json b/package.json
index aa623aa..be93853 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "update-notifier": "^2.1.0"
   },
   "devDependencies": {
-    "mocha": "^5.0.0",
+    "mocha": "^6.0.2",
     "proxyquire": "^1.7.11",
     "sinon": "^4.0.0",
     "standard": "^10.0.1",