diff --git a/trytond.spec b/trytond.spec
index 98ce931..e26b126 100644
--- a/trytond.spec
+++ b/trytond.spec
@@ -2,7 +2,7 @@
 # spec file for package trytond
 #
 # Copyright (c) 2021 SUSE LLC
-# Copyright (c) 2015 2017 Dr. Axel Braun
+# Copyright (c) 2015-2021 Dr. Axel Braun
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed