diff --git a/debian/changelog b/debian/changelog
index 7f6f653..8f2f0ff 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 lxqt-panel (1.1.0-0ubuntu2~ppa1) jammy; urgency=medium
 
   * Backport to Jammy.
+  * Updated copyright file.
 
  -- Aaron Rainbolt <arraybolt3@gmail.com>  Wed, 06 Jul 2022 14:25:33 -0500
 
diff --git a/debian/copyright b/debian/copyright
index 20aa139..f0bdd3c 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -3,16 +3,43 @@ Upstream-Name: lxqt-panel
 Source: https://github.com/lxqt/lxqt-panel
 
 Files: *
-Copyright: 2012-2020, LXQt team
+Copyright: 2012-2022, LXQt team
            2010-2013, Razor team
 License: LGPL-2.1+
 
+Files: plugin-tray/fdoselectionmanager.cpp
+       plugin-tray/snidbus.cpp
+       plugin-tray/sniproxy.cpp
+       plugin-tray/sniproxy.h
+Copyright: 2015 David Edmundson <davidedmundson@kde.org>
+           2019 Konrad Materka <materka@gmail.com>
+           2022 LXQt team
+License: LGPL-2.1+
+
+Files: plugin-tray/fdoselectionmanager.h
+       plugin-tray/snidbus.h
+Copyright: 2015 David Edmundson <davidedmundson@kde.org>
+           2022 LXQt team
+License: LGPL-2.1+
+
+Files: plugin-tray/xcbutils.h
+Copyright: 2012, 2013 Martin Graesslin <mgraesslin@kde.org>
+           2015 David Edmundson <davidedmundson@kde.org>
+           2022 LXQt team
+License: LGPL-2.1+
+
+Files: plugin-tray/xtestsender.cpp
+       plugin-tray/xtestsender.h
+Copyright: 2017 David Edmundson <davidedmundson@kde.org>
+           2022 LXQt team
+License: LGPL-2.1+
+
 Files: panel/lxqtpanelapplication_p.h
 Copyright: 2016, Luís Pereira <luis.artur.pereira@gmail.com>
 License: LGPL-2.1+
 
 Files: debian/*
-Copyright: 2021,      Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
+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>
 License: LGPL-2.1+