diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 39718a4..cceab7e 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -6,7 +6,7 @@
   },
   "metadata": {
     "description": "Skills shared by Baoyu for improving daily work efficiency",
-    "version": "1.74.1"
+    "version": "1.75.0"
   },
   "plugins": [
     {
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26bf98a..527b57b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 English | [中文](./CHANGELOG.zh.md)
 
+## 1.75.0 - 2026-03-21
+
+### Features
+- `baoyu-youtube-transcript`: new skill — download YouTube video transcripts/subtitles and cover images with multi-language, chapters, and speaker identification support
+
 ## 1.74.1 - 2026-03-21
 
 ### Fixes
diff --git a/CHANGELOG.zh.md b/CHANGELOG.zh.md
index d207ed5..de2f953 100644
--- a/CHANGELOG.zh.md
+++ b/CHANGELOG.zh.md
@@ -2,6 +2,11 @@
 
 [English](./CHANGELOG.md) | 中文
 
+## 1.75.0 - 2026-03-21
+
+### 新功能
+- `baoyu-youtube-transcript`：新技能 — 下载 YouTube 视频字幕/转录文本和封面图片，支持多语言、章节分段和说话人识别
+
 ## 1.74.1 - 2026-03-21
 
 ### 修复
diff --git a/CLAUDE.md b/CLAUDE.md
index 9e8ed1c..59f2b42 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -1,6 +1,6 @@
 # CLAUDE.md
 
-Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.74.0**.
+Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.75.0**.
 
 ## Architecture