diff --git a/tests/test_cli/test_package_manager/test_lock.py b/tests/test_cli/test_package_manager/test_lock.py
index 58ad864d1d..164a91e1d4 100644
--- a/tests/test_cli/test_package_manager/test_lock.py
+++ b/tests/test_cli/test_package_manager/test_lock.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # ------------------------------------------------------------------------------
 #
-#   Copyright 2022 Valory AG
+#   Copyright 2022-2023 Valory AG
 #
 #   Licensed under the Apache License, Version 2.0 (the "License");
 #   you may not use this file except in compliance with the License.