diff --git a/package.json b/package.json
index 0cdcd18..f1f157d 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "winston": "^2.3.1"
   },
   "devDependencies": {
-    "@types/mocha": "^2.2.42",
+    "@types/mocha": "^5.0.0",
     "@types/winston": "^2.3.5",
     "eslint": "^4.6.1",
     "mocha": "^3.5.0",