diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c3f1463..41ea87d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.2.0"
+  ".": "1.2.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb2c54f..9720dfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 格式参考 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.1.0/)，
 并遵循 [Semantic Versioning](https://semver.org/lang/zh-CN/)。
 
+## [1.2.1](https://github.com/opentiny/web-agent/compare/v1.2.0...v1.2.1) (2026-06-08)
+
+
+### Bug Fixes
+
+* use available port when configured port is busy ([#10](https://github.com/opentiny/web-agent/issues/10)) ([d345bf0](https://github.com/opentiny/web-agent/commit/d345bf0f62d0ef85ae46f0d4f92cde879167e2fb))
+
 ## [1.2.0](https://github.com/opentiny/web-agent/compare/v1.1.0...v1.2.0) (2026-02-13)
 
 
diff --git a/package.json b/package.json
index ff5e9fe..f3f182b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "web-agent",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "",
   "main": "dist/server.js",
   "scripts": {