diff --git a/History.md b/History.md
index 0e0528f..65b0a36 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,9 @@
 
+1.2.3 / 2016-09-07
+==================
+
+  * fix: subdomains should be [] if the host is an ip (#807)
+
 1.2.2 / 2016-08-31
 ==================
 
diff --git a/package.json b/package.json
index 4d38cad..8022a42 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "koa",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "description": "Koa web app framework",
   "main": "lib/application.js",
   "scripts": {