diff --git a/package.json b/package.json
index 2ae737c..e257f49 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "devDependencies": {
     "@types/debug": "0.0.29",
     "@types/express": "4.0.35",
-    "@types/mocha": "2.2.40",
+    "@types/mocha": "2.2.41",
     "@types/event-stream": "3.3.31",
     "@types/gulp": "4.0.2",
     "@types/gulp-typescript": "0.0.33",