diff --git a/package.json b/package.json
index 1db1bc20b3..3cc6c7cc34 100644
--- a/package.json
+++ b/package.json
@@ -188,7 +188,7 @@
     "isomorphic-fetch": "2.2.1",
     "jed": "1.1.1",
     "jsdom": "9.11.0",
-    "moment": "2.17.1",
+    "moment": "2.18.1",
     "mozilla-tabzilla": "0.5.1",
     "mozilla-version-comparator": "1.0.2",
     "normalize.css": "5.0.0",