diff --git a/History.md b/History.md
index 990cebd..dda86f3 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,9 @@
 
+2.3.0 / 2016-05-15
+==================
+
+  * feat: support transaction on one request ctx (#7)
+
 2.2.0 / 2016-01-13
 ==================
 
diff --git a/package.json b/package.json
index eb7d048..0717e05 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ali-rds",
-  "version": "2.2.0",
+  "version": "2.3.0",
   "description": "Aliyun RDS client",
   "main": "lib/client.js",
   "files": [