diff --git a/COPYRIGHT b/COPYRIGHT
index 38bee72..8a21255 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,6 +1,5 @@
-Copyright (C) 2015-2025 Cédric Krier.
-Copyright (C) 2015-2025 B2CK SPRL.
-Copyright (C) 2021-2025 martin-data services.
+Copyright (C) 2024-2025 martin-data services.
+Copyright (C) 2025 Mathias Behrle <mathiasb@m9s.biz>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/setup.py b/setup.py
index 06fd569..559ba9e 100644
--- a/setup.py
+++ b/setup.py
@@ -85,6 +85,8 @@ setup(
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
     ],
 
     keywords='tryton account invoice xrechnung edocument incoming',