Update copyright notice

diff --git a/gatekeeper.pl b/gatekeeper.pl
index affe77f98ea6b7016f80af2fcf40a00b86e3f7cb..d6c41ec1be8e23a8f1195fbb7e375b21fe61c087 100755 (executable)
--- a/gatekeeper.pl
+++ b/gatekeeper.pl
@@ -219,7 +219,7 @@ my $VERSION = '1.2'; # This is the protocol version
 my $DATE = '2017/09/14 12:42:38';
 my $COPYRIGHT_NOTICE = <<'END';
 Copyright (C) 2003-2017 Free Software Foundation <sysadmin@gnu.org>
-Copyright (C) 2020-2022 Jacob Bachmeyer <jcb@gnu.org>
+Copyright (C) 2020-2023 Jacob Bachmeyer <jcb@gnu.org>
 END
 my $LICENSE = "GPLv3 or later - http://www.fsf.org/licenses/gpl.txt";
 my $URL =