diff --git a/docs/md/mainpage.md b/docs/md/mainpage.md
index 2c255af62..f55580ca2 100644
--- a/docs/md/mainpage.md
+++ b/docs/md/mainpage.md
@@ -10,7 +10,7 @@ VT TV is ...
 @m_class{m-note m-dim}
 
 @parblock
-Copyright 2021 National Technology & Engineering Solutions of Sandia, LLC
+Copyright 2024 National Technology & Engineering Solutions of Sandia, LLC
 (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
 Government retains certain rights in this software.