diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index ced72d7..5ff3a5b 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -9,10 +9,14 @@ If you think you should be in this list and don't find yourself, write to floren
 and we'll fix it!
 
 Contributors:
-Copyright (c) 2018 bunnie <bunnie@kosagi.com>
-Copyright (c) 2018 Felix Held <felix-github@felixheld.de>
-Copyright (c) 2015-2019 Florent Kermarrec <florent@enjoy-digital.fr>
-Copyright (c) 2019 kees.jongenburger <kees.jongenburger@gmail.com>
-Copyright (c) 2018 Sean Cross <sean@xobs.io>
-Copyright (c) 2016 Tim Ansell <mithro@mithis.com>
-Copyright (c) 2016 Tim 'mithro' Ansell <mithro@mithis.com>
+Copyright (c) 2019-2021 Arnaud Durand <arnaud.durand@unifr.ch>
+Copyright (c) 2020-2021 Antmicro <www.antmicro.com>
+Copyright (c) 2018      bunnie <bunnie@kosagi.com>
+Copyright (c) 2020      Christian Klarhorst <cklarhor@techfak.uni-bielefeld.de>
+Copyright (c) 2018      Felix Held <felix-github@felixheld.de>
+Copyright (c) 2015-2021 Florent Kermarrec <florent@enjoy-digital.fr>
+Copyright (c) 2019      kees.jongenburger <kees.jongenburger@gmail.com>
+Copyright (c) 2018      Sean Cross <sean@xobs.io>
+Copyright (c) 2021      Simon Thornington <simon.thornington@gmail.com>
+Copyright (c) 2016      Tim 'mithro' Ansell <mithro@mithis.com>
+Copyright (c) 2020      Vegard Storheil Eriksen <zyp@jvnv.net>