diff --git a/History.md b/History.md
index 0968985..d554574 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,9 @@
 
+1.6.0 / 2018-02-12
+==================
+
+  * feat: ignore set/remove header/status when header sent (#1145)
+
 1.5.1 / 2018-01-25
 ==================
 
diff --git a/package.json b/package.json
index cbf0c11..0e6e917 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "koa",
-  "version": "1.5.1",
+  "version": "1.6.0",
   "description": "Koa web app framework",
   "main": "lib/application.js",
   "scripts": {