diff --git a/package.json b/package.json
index 9130f66..e11bfa1 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "generateNotes": "github-post-release"
   },
   "devDependencies": {
-    "@types/mocha": "2.2.48",
+    "@types/mocha": "5.2.6",
     "@types/node": "9.6.45",
     "ban-sensitive-files": "1.9.2",
     "dependency-check": "2.10.1",