diff --git a/node_modules/md5/package.json b/node_modules/md5/package.json
index fdcac15a4a..11f715d1e9 100644
--- a/node_modules/md5/package.json
+++ b/node_modules/md5/package.json
@@ -29,7 +29,7 @@
     "is-buffer": "~1.1.1"
   },
   "devDependencies": {
-    "mocha": "~2.3.4"
+    "mocha": "~4.0.0"
   },
   "optionalDependencies": {},
   "license": "BSD-3-Clause"