diff --git a/debian/changelog b/debian/changelog
index 766e44869..5a53d5492 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,19 @@
+dde-calendar (6.6.1) unstable; urgency=medium
+
+  * refactor(caldav): make credential access asynchronous
+  * refactor(caldav): track XML depth inline and persist privilege state
+  * feat(caldav): persist malformed remote resources for later retry
+  * fix(caldav): tolerate malformed remote resources during sync
+  * feat(caldav): preserve original schedule type on local migration
+  * feat(caldav): sync calendar and schedule deletion operations
+  * fix(title): replace collapsed search icon with bundled theme-aware SVG
+  * fix(day-view): add right margin to today button in mini calendar
+  * fix(widget): keep popup inside schedule view bounds
+  * fix(widget): clear press state on popup dismiss
+  * fix(calendar): adapt week divider for dark theme
+
+ -- Wang Yu <wangyu@uniontech.com>  Sun, 20 Sep 2026 17:47:11 +0800
+
 dde-calendar (6.6.0) unstable; urgency=medium
 
   * feat(year): show tooltip for truncated schedule titles in year view
@@ -519,4 +535,4 @@ dde-calendar (5.9.1) unstable; urgency=medium
 
   * Init.
 
- -- Clay Stan <claystan97@gmail.com>  Thu, 14 Jul 2022 14:13:00 +0800
+ -- Clay Stan <claystan97@gmail.com>  Thu, 14 Jul 2022 14:13:00 +0800
\ No newline at end of file
diff --git a/linglong.yaml b/linglong.yaml
index 0faf64505..1017782d0 100644
--- a/linglong.yaml
+++ b/linglong.yaml
@@ -7,7 +7,7 @@ version: "1"
 package:
   id: org.dde.calendar
   name: dde-calendar
-  version: 6.6.0.1
+  version: 6.6.1.1
   kind: app
   description: |
     calendar for deepin os.