diff --git a/README.md b/README.md
index a5447ad..78ead0d 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,6 @@ it via `add_subdirectory`. Checkout the
 for an example.
 
 ## Copyright notice and license
-Copyright © 2021-2022 Marius Kittler
+Copyright © 2021-2023 Marius Kittler
 
 All code is licensed under [GPL-2-or-later](LICENSE).