diff --git a/debian/copyright b/debian/copyright
index d427334..bd97d95 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -5,7 +5,8 @@ Source: https://www.farsightsecurity.com
 
 Files: *
 Author: Farsight Security, Inc.
-Copyright: 2017-2019, Farsight Security
+Copyright: 2023 DomainTools LLC
+   2017-2019, Farsight Security, Inc.
 License: MPL-2.0
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this