diff --git a/COPYING.SLIBTOOL b/COPYING.SLIBTOOL
index b2b7451..90d789d 100644
--- a/COPYING.SLIBTOOL
+++ b/COPYING.SLIBTOOL
@@ -2,7 +2,7 @@
 /*                                                                           */
 /*  slibtool: a skinny libtool implementation, written in C                  */
 /*                                                                           */
-/*  Copyright (C) 2016--2018  Z. Gilboa                                      */
+/*  Copyright (C) 2016--2021  Z. Gilboa                                      */
 /*                                                                           */
 /*  Permission is hereby granted, free of charge, to any person obtaining    */
 /*  a copy of this software and associated documentation files (the          */