diff --git a/lib/colors.py b/lib/colors.py
index 9b66137..955eb14 100644
--- a/lib/colors.py
+++ b/lib/colors.py
@@ -1,4 +1,4 @@
-# Copyright © 2015-2022 Jakub Wilk <jwilk@jwilk.net>
+# Copyright © 2015-2024 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
diff --git a/tests/test_colors.py b/tests/test_colors.py
index 0e7ced2..f909d08 100644
--- a/tests/test_colors.py
+++ b/tests/test_colors.py
@@ -1,4 +1,4 @@
-# Copyright © 2015-2022 Jakub Wilk <jwilk@jwilk.net>
+# Copyright © 2015-2024 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