diff --git a/debian/changelog b/debian/changelog
index 8e6dd011e..8dd177d22 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+deepin-manual (6.5.51) unstable; urgency=medium
+
+  * fix(scrollbar): replace JS autoHide with CSS-based auto-hide to fix cursor flicker
+  * chore: update version to 6.5.50
+
+ -- Wang Yu <wangyu@uniontech.com>  Tue, 19 May 2026 21:30:11 +0800
+
 deepin-manual (6.5.50) unstable; urgency=medium
 
   * fix(scrollbar): prevent horizontal scrollbar and fix bottom content clipping
diff --git a/linglong.yaml b/linglong.yaml
index 43bf871cb..cb1df9be9 100755
--- a/linglong.yaml
+++ b/linglong.yaml
@@ -7,7 +7,7 @@ version: "1"
 package:
   id: org.deepin.manual
   name: "deepin-manual"
-  version: 6.5.50.1
+  version: 6.5.51.1
   kind: app
   description: |
     manual for deepin os.