diff --git a/changes/v4.3.23-en.md b/changes/v4.3.23-en.md
index fbc662fc2..c3d6216ed 100644
--- a/changes/v4.3.23-en.md
+++ b/changes/v4.3.23-en.md
@@ -6,6 +6,8 @@
 
 - Print a warning message when boot with the default (insecure) Erlang cookie [#9340](https://github.com/emqx/emqx/pull/9340).
 
+- Improve node name generation rules to avoid potential atom table overflow risk [#9391](https://github.com/emqx/emqx/pull/9391).
+
 ## Bug fixes
 
 - Fix a bug where the JWT ACL would not short-circuit with a deny response when the token is expired [#9338](https://github.com/emqx/emqx/pull/9338).
diff --git a/changes/v4.3.23-zh.md b/changes/v4.3.23-zh.md
index 14f9c33e1..4f486f186 100644
--- a/changes/v4.3.23-zh.md
+++ b/changes/v4.3.23-zh.md
@@ -6,6 +6,8 @@
 
 - 使用默认的(不安全的) Erlang cookie 进行启动时，将会打印一条警告信息 [#9340](https://github.com/emqx/emqx/pull/9340)。
 
+- 改进了节点名称生成规则，以避免潜在的原子表溢出风险 [#9391](https://github.com/emqx/emqx/pull/9391)。
+
 ## 修复
 
 - 修复 JWT ACL 在令牌超期后授权检查不生效的问题 [#9338](https://github.com/emqx/emqx/pull/9338)。