diff --git a/autohooks/api/__init__.py b/autohooks/api/__init__.py
index e286b2b6..46ab294c 100644
--- a/autohooks/api/__init__.py
+++ b/autohooks/api/__init__.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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/>.
 """
 Main Plugin API
 """
diff --git a/autohooks/api/git.py b/autohooks/api/git.py
index d58f3c64..99fa7da1 100644
--- a/autohooks/api/git.py
+++ b/autohooks/api/git.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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/>.
 
 """
 Plugin API for handling git related tasks
diff --git a/autohooks/api/path.py b/autohooks/api/path.py
index 8215fcfa..352e3dd8 100644
--- a/autohooks/api/path.py
+++ b/autohooks/api/path.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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/>.
 """
 Plugin API for path checking
 """
diff --git a/autohooks/cli/__init__.py b/autohooks/cli/__init__.py
index 75668527..74b2a329 100644
--- a/autohooks/cli/__init__.py
+++ b/autohooks/cli/__init__.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 argparse
 import sys
diff --git a/autohooks/cli/activate.py b/autohooks/cli/activate.py
index 84680c31..634ee50f 100644
--- a/autohooks/cli/activate.py
+++ b/autohooks/cli/activate.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 argparse import Namespace
 
diff --git a/autohooks/cli/check.py b/autohooks/cli/check.py
index 965846c7..ba3b1082 100644
--- a/autohooks/cli/check.py
+++ b/autohooks/cli/check.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 argparse import Namespace
 from pathlib import Path
diff --git a/autohooks/cli/plugins.py b/autohooks/cli/plugins.py
index 3c9ad56b..84aebd3e 100644
--- a/autohooks/cli/plugins.py
+++ b/autohooks/cli/plugins.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 argparse import Namespace
 from typing import Iterable
diff --git a/autohooks/config.py b/autohooks/config.py
index 595a0a1e..a6f80fc6 100644
--- a/autohooks/config.py
+++ b/autohooks/config.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 pathlib import Path
 from typing import Any, Dict, List, Optional
diff --git a/autohooks/hooks.py b/autohooks/hooks.py
index 0081d670..f2a1ef61 100644
--- a/autohooks/hooks.py
+++ b/autohooks/hooks.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 re
 from pathlib import Path
diff --git a/autohooks/precommit/__init__.py b/autohooks/precommit/__init__.py
index c956a013..8538199b 100644
--- a/autohooks/precommit/__init__.py
+++ b/autohooks/precommit/__init__.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 .run import run
 
diff --git a/autohooks/precommit/run.py b/autohooks/precommit/run.py
index 55eda700..563a78ad 100644
--- a/autohooks/precommit/run.py
+++ b/autohooks/precommit/run.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 importlib
 import inspect
diff --git a/autohooks/settings.py b/autohooks/settings.py
index 01305783..0777f841 100644
--- a/autohooks/settings.py
+++ b/autohooks/settings.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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, field
 from enum import Enum
diff --git a/autohooks/template.py b/autohooks/template.py
index 64d5b0e2..765c3e6f 100644
--- a/autohooks/template.py
+++ b/autohooks/template.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 pathlib import Path
 from string import Template
diff --git a/autohooks/terminal.py b/autohooks/terminal.py
index 628473b3..7cf696e5 100644
--- a/autohooks/terminal.py
+++ b/autohooks/terminal.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 typing import Optional
 
diff --git a/autohooks/utils.py b/autohooks/utils.py
index 5f7fed57..2a418aaf 100644
--- a/autohooks/utils.py
+++ b/autohooks/utils.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 shlex
 import subprocess
diff --git a/autohooks/version.py b/autohooks/version.py
index 3b32f329..8411e559 100644
--- a/autohooks/version.py
+++ b/autohooks/version.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 autohooks.__version__ import __version__ as _current_version
 
diff --git a/tests/__init__.py b/tests/__init__.py
index 73d695b9..1a9d9564 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,20 +1,7 @@
-# -*- coding: utf-8 -*-
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 os
 import sys
diff --git a/tests/api/__init__.py b/tests/api/__init__.py
index 83e70fa0..cf8433bf 100644
--- a/tests/api/__init__.py
+++ b/tests/api/__init__.py
@@ -1,17 +1,4 @@
-# -*- coding: utf-8 -*-
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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/api/git/__init__.py b/tests/api/git/__init__.py
index 22a0bf2d..74895cdf 100644
--- a/tests/api/git/__init__.py
+++ b/tests/api/git/__init__.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 random
 import unittest
diff --git a/tests/api/git/test_diff.py b/tests/api/git/test_diff.py
index 86a228fd..723363e4 100644
--- a/tests/api/git/test_diff.py
+++ b/tests/api/git/test_diff.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 autohooks.api.git import StatusEntry, get_diff
 from tests import tempgitdir
diff --git a/tests/api/git/test_stash.py b/tests/api/git/test_stash.py
index cde70f20..2b7ca8c5 100644
--- a/tests/api/git/test_stash.py
+++ b/tests/api/git/test_stash.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 autohooks.api.git import Status, get_status, stash_unstaged_changes
 from tests import tempgitdir
diff --git a/tests/api/git/test_status.py b/tests/api/git/test_status.py
index 58d063f8..1815da8c 100644
--- a/tests/api/git/test_status.py
+++ b/tests/api/git/test_status.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 os
 import unittest
diff --git a/tests/api/test_path.py b/tests/api/test_path.py
index 408382a5..d558183d 100644
--- a/tests/api/test_path.py
+++ b/tests/api/test_path.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 unittest
 from pathlib import Path
diff --git a/tests/api/test_terminal.py b/tests/api/test_terminal.py
index 7fef660e..6a0eb703 100644
--- a/tests/api/test_terminal.py
+++ b/tests/api/test_terminal.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 unittest
 from unittest.mock import Mock
diff --git a/tests/cli/__init__.py b/tests/cli/__init__.py
index e1fd3765..cf8433bf 100644
--- a/tests/cli/__init__.py
+++ b/tests/cli/__init__.py
@@ -1,16 +1,4 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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/cli/test_activate.py b/tests/cli/test_activate.py
index 0c331734..4eae8886 100644
--- a/tests/cli/test_activate.py
+++ b/tests/cli/test_activate.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 unittest
diff --git a/tests/cli/test_check.py b/tests/cli/test_check.py
index 123451ba..339625b7 100644
--- a/tests/cli/test_check.py
+++ b/tests/cli/test_check.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 sys
 import unittest
diff --git a/tests/cli/test_plugins.py b/tests/cli/test_plugins.py
index 1e035a37..bb7cb9c9 100644
--- a/tests/cli/test_plugins.py
+++ b/tests/cli/test_plugins.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 unittest
 from argparse import Namespace
diff --git a/tests/precommit/__init__.py b/tests/precommit/__init__.py
index e1fd3765..cf8433bf 100644
--- a/tests/precommit/__init__.py
+++ b/tests/precommit/__init__.py
@@ -1,16 +1,4 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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/precommit/test_run.py b/tests/precommit/test_run.py
index 9ed2419f..8f204ae1 100644
--- a/tests/precommit/test_run.py
+++ b/tests/precommit/test_run.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2022 Greenbone AG
+# SPDX-FileCopyrightText: 2022-2024 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 unittest
diff --git a/tests/test_config.py b/tests/test_config.py
index 23151983..90281078 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 unittest
 from pathlib import Path
diff --git a/tests/test_hooks.py b/tests/test_hooks.py
index 130bb66b..45174905 100644
--- a/tests/test_hooks.py
+++ b/tests/test_hooks.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 os
 import tempfile
diff --git a/tests/test_settings.py b/tests/test_settings.py
index 7695bedb..ff931881 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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=invalid-name
 
diff --git a/tests/test_template.py b/tests/test_template.py
index 4a9b1c1e..9a69f453 100644
--- a/tests/test_template.py
+++ b/tests/test_template.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 unittest
 
diff --git a/tests/test_terminal.py b/tests/test_terminal.py
index 832d2763..cede44e3 100644
--- a/tests/test_terminal.py
+++ b/tests/test_terminal.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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=invalid-name, protected-access
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 8697e18a..0836531d 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,19 +1,7 @@
-# Copyright (C) 2019-2022 Greenbone AG
+# SPDX-FileCopyrightText: 2019-2024 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 os
 import subprocess