diff --git a/tests/test_extdict.py b/tests/test_extdict.py
index dc166e4..22d4e9e 100644
--- a/tests/test_extdict.py
+++ b/tests/test_extdict.py
@@ -1,4 +1,4 @@
-# Copyright © 2016-2022 Jakub Wilk <jwilk@jwilk.net>
+# Copyright © 2016-2024 Jakub Wilk <jwilk@jwilk.net>
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the “Software”), to deal