diff --git a/debian/copyright b/debian/copyright
index 08c93fd..fe44dfb 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -4,11 +4,11 @@ Upstream-Contact: laixintao <laixintaoo@gmail.com>
 Source: https://github.com/laixintao/iredis/releases
 
 Files: *
-Copyright: 2019-2020 laixintao <laixintaoo@gmail.com>
+Copyright: 2019-2022 laixintao <laixintaoo@gmail.com>
 License: BSD-3-clause
 
 Files: debian/*
-Copyright: 2021 Daniel Baumann <daniel.baumann@progress-linux.org>
+Copyright: 2021-2022 Daniel Baumann <daniel.baumann@progress-linux.org>
 License: BSD-3-clause
 
 License: BSD-3-clause