diff --git a/docs/en/release-notes/changelog.md b/docs/en/release-notes/changelog.md
index 583ed5f9d..c0d2becd4 100644
--- a/docs/en/release-notes/changelog.md
+++ b/docs/en/release-notes/changelog.md
@@ -6,6 +6,12 @@ outline: 2
 
 This page documents the changes in each Kimi Code CLI release.
 
+## 0.21.1 (2026-07-01)
+
+### Bug Fixes
+
+- Keep the waiting spinner visible while encrypted reasoning streams, fixing a blank spinner-less gap before the first response text appears.
+
 ## 0.21.0 (2026-07-01)
 
 ### Features
diff --git a/docs/zh/release-notes/changelog.md b/docs/zh/release-notes/changelog.md
index 86dc56142..41b206821 100644
--- a/docs/zh/release-notes/changelog.md
+++ b/docs/zh/release-notes/changelog.md
@@ -6,6 +6,12 @@ outline: 2
 
 本页记录 Kimi Code CLI 每个版本的变更内容。
 
+## 0.21.1（2026-07-01）
+
+### 修复
+
+- 修复加密推理流式输出期间，首个响应文本出现前等待 spinner 消失、留下一段空白的问题。
+
 ## 0.21.0（2026-07-01）
 
 ### 新功能