diff --git a/src/qdate.erl b/src/qdate.erl
index fee2d43..61f58b3 100644
--- a/src/qdate.erl
+++ b/src/qdate.erl
@@ -1,5 +1,5 @@
 % vim: ts=4 sw=4 et
-% Copyright (c) 2013-2019 Jesse Gumm
+% Copyright (c) 2013-2023 Jesse Gumm
 % See LICENSE for licensing information.
 %
 -module(qdate).