diff --git a/debian/copyright b/debian/copyright
index 0fa79a7d..cff6e737 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -7,6 +7,8 @@ Files:
 Copyright:
  © 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
  © 1995-2015 Free Software Foundation, Inc.
+ © 1998 Manish Singh
+ © 1998 Tim Janik
  © 1999-2003 Ximian, Inc.
  © 2007-2008 Ryan Lortie
  © 2008-2022 Red Hat, Inc
@@ -14,7 +16,7 @@ Copyright:
  © 2010 Codethink Ltd.
  © 2011-2019 Colin Walters <walters@verbum.org>
  © 2011 Avery Pennarun
- © 2013-2020 Collabora Ltd.
+ © 2013-2022 Collabora Ltd.
  © 2013 Stef Walter <stef@redhat.com>
  © 2013 Javier Martinez <javier.martinez@collabora.co.uk>
  © 2013 Jeremy Whiting <jeremy.whiting@collabora.com>
@@ -22,6 +24,7 @@ Copyright:
  © 2014-2017 Alexander Larsson <alexl@redhat.com>
  © 2014 Anne LoVerso
  © 2014 Owen Taylor <otaylor@redhat.com>
+ © 2014 Dan Winship
  © 2015 Dan Nicholson <nicholson@endlessm.com>
  © 2015 Canonical Ltd.
  © 2015 Matthew Barnes
@@ -29,13 +32,15 @@ Copyright:
  © 2016 Kinvolk GmbH
  © 2016 Zbigniew Jędrzejewski-Szmek
  © 2017 Georges Basile Stavracas Neto
+ © 2017 Emmanuele Bassi
  © 2018 Matthew Leeds
  © 2018 Sinny Kumari
  © 2019 Rafael Fonseca
  © 2019 Robert Fairley
  © 2019 Wind River Systems, Inc.
  © 2019 Denis Pynkin
- © 2021 Endless OS Foundation LLC
+ © 2018-2021 Endless OS Foundation LLC
+ © 2020-2022 Niels De Graef
  © 2022 Igalia S.L.
  © 2022 Huijing Hei
 License: LGPL-2+ and LGPL-2.1+