diff --git a/antarest/matrixstore/migration_script.py b/antarest/matrixstore/migration_script.py
index 9f3edbb800..560e4871e6 100644
--- a/antarest/matrixstore/migration_script.py
+++ b/antarest/matrixstore/migration_script.py
@@ -1,3 +1,15 @@
+# Copyright (c) 2024, RTE (https://www.rte-france.com)
+#
+# See AUTHORS.txt
+#
+# 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
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This file is part of the Antares project.
+
 import glob
 import logging
 import os