diff --git a/COPYING.MMGLUE b/COPYING.MMGLUE
index bfe417b..2a034da 100644
--- a/COPYING.MMGLUE
+++ b/COPYING.MMGLUE
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*  mmglue: midipix architecture- and target-specific bits for musl libc     */
 /*                                                                           */
-/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC                      */
+/*  Copyright (C) 2013--2023  SysDeer Technologies, LLC                      */
 /*                                                                           */
 /*  This program is free software: you can redistribute it and/or modify     */
 /*  it under the terms of the GNU General Public License as published by     */