diff --git a/debian/changelog b/debian/changelog
index aeb4f1e..b4c402f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ lxqt-panel (1.2.1-1ubuntu1) UNRELEASED; urgency=medium
   * Merge from Debian Unstable, remaining changes:
     - Lubuntuify the package slightly.
     - Run wrap-and-sort for cleanliness.
+    - Update the copyright file.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Mon, 16 Jan 2023 16:14:43 -0600
 
diff --git a/debian/copyright b/debian/copyright
index 21da306..7f0cc42 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -3,18 +3,19 @@ Upstream-Name: lxqt-panel
 Source: https://github.com/lxqt/lxqt-panel
 
 Files: *
-Copyright: 2012-2022, LXQt team
-           2010-2013, Razor team
+Copyright: 2012-2023 LXQt team
+           2010-2013 Razor team
 License: LGPL-2.1+
 
 Files: panel/lxqtpanelapplication_p.h
-Copyright: 2016, Luís Pereira <luis.artur.pereira@gmail.com>
+Copyright: 2016 Luís Pereira <luis.artur.pereira@gmail.com>
 License: LGPL-2.1+
 
 Files: debian/*
-Copyright: 2021-2022, Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
-           2014-2019, Alf Gaida <agaida@siduction.org>
-           2015,      Andrew Lee (李健秋) <ajqlee@debian.org>
+Copyright: 2021-2023 Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
+           2014-2019 Alf Gaida <agaida@siduction.org>
+           2015-2022 Andrew Lee (李健秋) <ajqlee@debian.org>
+           2022-2023 ChangZhuo Chen (陳昌倬) <czchen@debian.org>
 License: LGPL-2.1+
 
 License: LGPL-2.1+