diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8c74377..0c6be826 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+## [3.4.3] - 2023-9-13
+
+### Changed
+
+#### base
+
+- Fixed the problem that some component documents cannot be viewed [#495](https://github.com/LianjiaTech/bruno/issues/495).
+
+#### components
+
+- <code>BrnPopupWindow</code> : fixed issue [#486](https://github.com/LianjiaTech/bruno/issues/486) which is called after initState and whenever the dependencies change thereafter.
+- <code>BrnTabBar</code>: fixed the issue [#487](https://github.com/LianjiaTech/bruno/issues/487)  of invalid setting of badge.
+- <code>BrnStepInputFormItem</code>: fixed the situation where manually input numbers are preceded by 0 [#458](https://github.com/LianjiaTech/bruno/issues/458).
+
+
+
 ## [3.4.2] - 2023-8-23
 
 ### Changed
diff --git a/pubspec.yaml b/pubspec.yaml
index 06908a03..94e59b8a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: bruno
 description: An enterprise-class package of Flutter components for mobile applications.
-version: 3.4.2
+version: 3.4.3
 homepage: https://bruno.ke.com/
 repository: https://github.com/LianjiaTech/bruno
 issue_tracker: https://github.com/LianjiaTech/bruno/issues