diff --git a/History.md b/History.md
index 0f3d6ad682..380d587354 100644
--- a/History.md
+++ b/History.md
@@ -7,6 +7,7 @@ This incorporates all changes after 4.13.1 up to 4.14.1.
     - `res.json(status, obj)` signature - use `res.status(status).json(obj)`
     - `res.jsonp(status, obj)` signature - use `res.status(status).jsonp(obj)`
     - `res.vary()` (no arguments) -- provide a field name as an argument
+  * deps: array-flatten@2.1.1
   * deps: router@~1.1.5
     - deps: array-flatten@2.0.1
     - deps: methods@~1.1.2
diff --git a/package.json b/package.json
index 8a2a70a7f7..e9d3adaf3a 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   ],
   "dependencies": {
     "accepts": "~1.3.3",
-    "array-flatten": "2.0.0",
+    "array-flatten": "2.1.1",
     "content-disposition": "0.5.2",
     "content-type": "~1.0.2",
     "cookie": "0.3.1",