diff --git a/debian/copyright b/debian/copyright
index 9de68c824762a3cf30ffdd74dfd191366fcf0390..ba2b08c22821d26b9e9ffb85edd91a76eb8d33ea 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -12,6 +12,7 @@ Copyright:
  1995-1997 Josh MacDonald
  1997-2000 GLib team
  1997-2020 Sam Lantinga
+ 1999-2017 Free Software Foundation, Inc.
  2000-2021 Red Hat, Inc
  2010-2011 Lennart Poettering
  2012-2017 Colin Walters
@@ -34,12 +35,28 @@ Copyright:
  2019-2021 Collabora Ltd.
 License: Apache-2.0
 
+Files:
+ subprojects/libcapsule/tests/CapsuleTestDpkg.pm
+Copyright:
+ © 2007 Raphaël Hertzog
+ © 2009-2010 Modestas Vainius
+License: GPL-2+
+
 Files:
  build-aux/git-version-gen
+ subprojects/libcapsule/build-aux/git-version-gen
 Copyright:
  2007-2018 Free Software Foundation, Inc.
 License: GPL-3+
 
+Files:
+ subprojects/libcapsule/m4/ax_is_release.m4
+ subprojects/libcapsule/m4/capsule_matching_abi.m4
+Copyright:
+ © 2015 Philip Withnall
+ © 2016-2019 Collabora Ltd.
+License: Autoconf-permissive
+
 License: Apache-2.0
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
@@ -55,6 +72,11 @@ License: Apache-2.0
 Comment:
  SPDX-License-Identifier: Apache-2.0
 
+License: Autoconf-permissive
+ Copying and distribution of this file, with or without modification, are
+ permitted in any medium without royalty provided the copyright notice
+ and this notice are preserved.
+
 License: Expat
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
@@ -113,6 +135,23 @@ License: LGPL-2+
 Comment:
  On Debian systems see /usr/share/common-licenses/LGPL-2
 
+License: GPL-2+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+ .
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+Comment:
+ On Debian systems, the full text of the GNU General Public License
+ version 2 can be found in the file '/usr/share/common-licenses/GPL-2'.
+
 License: GPL-3+
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by