diff --git a/History.md b/History.md
index 7215c8f..33ec45c 100644
--- a/History.md
+++ b/History.md
@@ -1,10 +1,16 @@
 
+0.12.1 / 2014-09-21
+==================
+
+ * bump content-disposition
+ * bump statuses
+
 0.12.0 / 2014-09-20
 ==================
 
  * add this.assert()
  * use content-disposition
- 
+
 0.11.0 / 2014-09-08
 ==================
 
diff --git a/package.json b/package.json
index 7b8d446..4fc49e5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "koa",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "description": "Koa web app framework",
   "main": "lib/application.js",
   "scripts": {