diff --git a/History.md b/History.md
index 0792bb1..50a7e0f 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,5 @@
 
-2.3.0 / 2017-11-06
+2.4.0 / 2017-11-06
 ==================
 
  * update `package.engines.node` to be more strict
@@ -8,6 +8,14 @@
  * fix: gated `res.statusMessage` for HTTP/2
  * added: `app.handleRequest()` is exposed
 
+2.3.0 / 2017-06-20
+==================
+
+ * fix: use `Buffer.from()`
+ * update: `koa-compose@4`
+ * added: setters for `request.header=` and `request.headers=`
+ * added: use node 7+ WHATWG parser for hostname
+
 2.2.0 / 2017-03-14
 ==================
 
diff --git a/package.json b/package.json
index 69fb8dc..83bded0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "koa",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "description": "Koa web app framework",
   "main": "lib/application.js",
   "scripts": {