diff --git a/mixpanel-funnel/package.json b/mixpanel-funnel/package.json
index 331674d..2f120a2 100644
--- a/mixpanel-funnel/package.json
+++ b/mixpanel-funnel/package.json
@@ -2,7 +2,7 @@
   "name": "mixpanel-funnel",
   "version": "0.0.1",
   "dependencies": {
-    "dateformat": "^1.0.12",
+    "dateformat": "^2.0.0",
     "mixpanel-data-export": "^2.0.2",
     "nagios-plugin": "^0.1.2",
     "node-getopt": "^0.2.3"