diff --git a/HISTORY.md b/HISTORY.md
index 819353f..5b0c04e 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
-unreleased
-==========
+2.2.0 / 2014-09-22
+==================
 
   * Add `suffix` option
   * deps: depd@~1.0.0
diff --git a/package.json b/package.json
index fc16519..d3f54fc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "response-time",
   "description": "Response time header for node.js",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "author": "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
   "contributors": [
     "Douglas Christopher Wilson <doug@somethingdoug.com>"