diff --git a/CHANGELOG.md b/CHANGELOG.md
index 498b11d..8311432 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 cos-php-sdk-v5 Upgrade Guide
 ====================
+2.6.7 to 2.6.8
+---------
+1. 实时文字翻译
+2. 图片标签
+3. Logo、游戏场景、人体、宠物、卡证识别
+4. 创建、更新视频目标检测模板
+5. 提交视频目标检测任务、视频人像抠图任务
+6. 关闭AI内容识别服务
+
 2.6.6 to 2.6.7
 ---------
 修复部分问题
diff --git a/src/Client.php b/src/Client.php
index e8d3162..c901fea 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -248,7 +248,7 @@
  * @see \Qcloud\Cos\Service::getService()
  */
 class Client extends GuzzleClient {
-    const VERSION = '2.6.7';
+    const VERSION = '2.6.8';
 
     public $httpClient;