diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 41a2df0cf3..054974d44f 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -51,7 +51,7 @@
 ;;; Copyright © 2018 Mathieu Lirzin <mthl@gnu.org>
 ;;; Copyright © 2018 Adam Massmann <massmannak@gmail.com>
 ;;; Copyright © 2016, 2018 Tomáš Čech <sleep_walker@gnu.org>
-;;; Copyright © 2018, 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2018, 2019, 2020 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
 ;;; Copyright © 2018, 2019 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2018, 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>