diff --git a/package.json b/package.json
index 8d829aae9..acae9b272 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "cookie": "^0.3.0",
     "cookie-parser": "^1.3.5",
     "cron": "^1.0.9",
-    "d3-time-format": "^1.0.0",
+    "d3-time-format": "^2.0.0",
     "debug": "^2.1.3",
     "escape-string-regexp": "^1.0.3",
     "event-to-promise": "^0.7.0",