diff --git a/History.md b/History.md
index f9e2b7c3..db991107 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,9 @@
+2.9.1 / 2020-10-28
+==================
+
+**fixes**
+  * [[`ac9c32b`](http://github.com/eggjs/doctools/commit/ac9c32b7c722bab8eae117122cd73a6a7e1a14b4)] - fix: banner-promo-style (#50) (wending.lwd <<wending.lwd@alibaba-inc.com>>)
+
 2.9.0 / 2019-10-21
 ==================
 
diff --git a/package.json b/package.json
index e4400c71..a7a0cdec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "egg-doctools",
-  "version": "2.9.0",
+  "version": "2.9.1",
   "description": "Doctools for Egg.js",
   "main": "lib/index.js",
   "bin": {