diff --git a/COPYING.SOFORT b/COPYING.SOFORT
index 5e75bb6..75a98e1 100644
--- a/COPYING.SOFORT
+++ b/COPYING.SOFORT
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*  sofort: portable software project skeleton                               */
 /*                                                                           */
-/*  Copyright (C) 2015--2021  SysDeer Technologies, LLC                      */
+/*  Copyright (C) 2015--2023  SysDeer Technologies, LLC                      */
 /*                                                                           */
 /*  sofort provides a build system that can be incorporated into Works       */
 /*  which may or may not be covered by a copyleft license. THE FOLLOWING     */