update copyright years

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/efa-m b/bin/efa-m
index 3798d65..a7b267d 100755
--- a/bin/efa-m
+++ b/bin/efa-m
@@ -638,7 +638,7 @@ departure and departure delay
 
 =head1 AUTHOR
 
-Copyright (C) 2011-2021 by Birte Kristina Friesel E<lt>derf@finalrewind.orgE<gt>
+Copyright (C) 2011-2023 by Birte Kristina Friesel E<lt>derf@finalrewind.orgE<gt>
 
 =head1 LICENSE