diff --git a/package.json b/package.json
index c34ce04..d17fe70 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "fresh": "0.3.0",
     "http-errors": "~1.5.0",
     "mime": "1.3.4",
-    "ms": "0.7.1",
+    "ms": "2.0.0",
     "on-finished": "~2.3.0",
     "range-parser": "~1.2.0",
     "statuses": "~1.3.0"