diff --git a/mkdocs.yml b/mkdocs.yml
index c8cd32f6..f829d103 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,6 +1,6 @@
 site_name: Pony Tutorial
 
-copyright: Copyright © 2021 The Pony Developers
+copyright: Copyright © 2025 The Pony Developers
 edit_uri: edit/main/docs/
 repo_url: https://github.com/ponylang/pony-tutorial/
 site_url: https://tutorial.ponylang.io/