diff --git a/package.json b/package.json
index c5d4efb..274e976 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "finalhandler": "0",
     "isparta": "4",
     "lodash": "3",
-    "mocha": "2",
+    "mocha": "2.4.5",
     "path-to-regexp": "1",
     "power-assert": "1",
     "route-recognizer": "0",