diff --git a/package.json b/package.json
index 0564aa23de..6bdd2f7785 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "@types/is-root": "1.0.0",
     "@types/is-url": "1.2.28",
     "@types/js-yaml": "3.5.29",
-    "@types/mocha": "2.2.37",
+    "@types/mocha": "2.2.39",
     "@types/mongodb": "2.1.37",
     "@types/monk": "1.0.5",
     "@types/morgan": "1.7.32",