diff --git a/jupyter_book/_config.yml b/jupyter_book/_config.yml
index 008dbc5..c3c22fe 100644
--- a/jupyter_book/_config.yml
+++ b/jupyter_book/_config.yml
@@ -3,7 +3,7 @@
 title: Einführung in die Programmierung mit Python
 author: MARS – Center for Entrepreneurship
 email: c.giess@hs-mannheim.de
-copyright: "2022"
+copyright: "2023"
 logo: logo_mars.png
 
 only_build_toc_files: true