diff --git a/pontos/nvd/cve_change_history/__init__.py b/pontos/nvd/cve_change_history/__init__.py
index 95740e53..2f0e8116 100644
--- a/pontos/nvd/cve_change_history/__init__.py
+++ b/pontos/nvd/cve_change_history/__init__.py
@@ -1,19 +1,6 @@
-# Copyright (C) 2023 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import asyncio
 from argparse import ArgumentParser, Namespace
diff --git a/pontos/nvd/cve_change_history/api.py b/pontos/nvd/cve_change_history/api.py
index d1e2900e..92200a70 100644
--- a/pontos/nvd/cve_change_history/api.py
+++ b/pontos/nvd/cve_change_history/api.py
@@ -1,19 +1,6 @@
-# Copyright (C) 2023 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from datetime import datetime, timedelta
 from types import TracebackType
diff --git a/pontos/nvd/models/cve_change.py b/pontos/nvd/models/cve_change.py
index 72540e08..a27bf1c5 100644
--- a/pontos/nvd/models/cve_change.py
+++ b/pontos/nvd/models/cve_change.py
@@ -1,20 +1,6 @@
-# Copyright (C) 2023 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
 
 from dataclasses import dataclass
 from datetime import datetime
diff --git a/tests/nvd/__init__.py b/tests/nvd/__init__.py
index 2a656a6b..8f3fc209 100644
--- a/tests/nvd/__init__.py
+++ b/tests/nvd/__init__.py
@@ -1,19 +1,6 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # pylint: disable=line-too-long
 
diff --git a/tests/nvd/cve_change_history/__init__.py b/tests/nvd/cve_change_history/__init__.py
index 6d9a0ee8..1d5a4d2f 100644
--- a/tests/nvd/cve_change_history/__init__.py
+++ b/tests/nvd/cve_change_history/__init__.py
@@ -1,16 +1,3 @@
-# Copyright (C) 2023 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/tests/nvd/cve_change_history/test_api.py b/tests/nvd/cve_change_history/test_api.py
index 2df5f77f..113e8633 100644
--- a/tests/nvd/cve_change_history/test_api.py
+++ b/tests/nvd/cve_change_history/test_api.py
@@ -1,19 +1,6 @@
-# Copyright (C) 2023 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 from datetime import datetime
diff --git a/tests/nvd/models/test_cve_change.py b/tests/nvd/models/test_cve_change.py
index ccd41b28..2449d0ce 100644
--- a/tests/nvd/models/test_cve_change.py
+++ b/tests/nvd/models/test_cve_change.py
@@ -1,19 +1,6 @@
-# Copyright (C) 2023 Greenbone AG
+# SPDX-FileCopyrightText: 2023 Greenbone AG
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
-#
-# 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # pylint: disable=line-too-long
 # ruff: noqa: E501