diff --git a/zk-luhmann.el b/zk-luhmann.el
index bb7299a..50b4743 100644
--- a/zk-luhmann.el
+++ b/zk-luhmann.el
@@ -1,6 +1,6 @@
 ;;; zk-luhmann.el --- Support for Luhmann-style IDs in zk  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2022  Grant Rosson
+;; Copyright (C) 2022-2024  Grant Rosson
 
 ;; Author: Grant Rosson <https://github.com/localauthor>
 ;; Created: January 25, 2022