diff --git a/.editorconfig b/.editorconfig
index 72c25e8..2a84cfb 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,11 +1,5 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2015, 2016 CERN.
-#
-# base32-lib is free software; you can redistribute it and/or modify
-# it under the terms of the Revised BSD License; see LICENSE file for
-# more details.
+# SPDX-FileCopyrightText: 2015, 2016 CERN.
+# SPDX-License-Identifier: BSD-3-Clause
 #
 # In applying this license, CERN does not waive the privileges and immunities
 # granted to it by virtue of its status as an Intergovernmental Organization
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ee2acf5..3d3f135 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,3 +29,5 @@ on:
 jobs:
   Python:
     uses: inveniosoftware/workflows/.github/workflows/tests-python.yml@master
+    with:
+      extras: "tests,docs"
diff --git a/AUTHORS.rst b/AUTHORS.rst
index 345a353..bc1ff31 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -1,10 +1,7 @@
 ..
-   This file is part of base32-lib
-   Copyright (C) 2019 CERN.
-   Copyright (C) 2019 Northwestern University.
-
-   base32-lib is free software; you can redistribute it and/or modify it
-   under the terms of the MIT License; see LICENSE file for more details.
+   SPDX-FileCopyrightText: 2019 CERN.
+   SPDX-FileCopyrightText: 2019 Northwestern University.
+   SPDX-License-Identifier: MIT
 
 
 Authors
diff --git a/CHANGES.rst b/CHANGES.rst
index b7153d3..fd422cd 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,10 +1,7 @@
 ..
-   This file is part of base32-lib
-   Copyright (C) 2019 CERN.
-   Copyright (C) 2019 Northwestern University.
-
-   base32-lib is free software; you can redistribute it and/or modify it
-   under the terms of the MIT License; see LICENSE file for more details.
+   SPDX-FileCopyrightText: 2019 CERN.
+   SPDX-FileCopyrightText: 2019 Northwestern University.
+   SPDX-License-Identifier: MIT
 
 Changes
 =======
diff --git a/MANIFEST.in b/MANIFEST.in
index eb10551..ffe8c3e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,12 +1,9 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
+# SPDX-FileCopyrightText: 2019 CERN.
+# SPDX-FileCopyrightText: 2019 Northwestern University.
+# SPDX-License-Identifier: MIT
 
+exclude .git-blame-ignore-revs
+exclude uv.lock
 include *.rst
 include *.toml
 include .coveragerc
diff --git a/README.rst b/README.rst
index 8767c36..e8aa15e 100644
--- a/README.rst
+++ b/README.rst
@@ -1,10 +1,7 @@
 ..
-   This file is part of base32-lib
-   Copyright (C) 2019 CERN.
-   Copyright (C) 2019 Northwestern University.
-
-   base32-lib is free software; you can redistribute it and/or modify it
-   under the terms of the MIT License; see LICENSE file for more details.
+   SPDX-FileCopyrightText: 2019 CERN.
+   SPDX-FileCopyrightText: 2019 Northwestern University.
+   SPDX-License-Identifier: MIT
 
 
 =================
diff --git a/base32_lib/__init__.py b/base32_lib/__init__.py
index 70cf8e3..6560a9d 100644
--- a/base32_lib/__init__.py
+++ b/base32_lib/__init__.py
@@ -1,13 +1,7 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University,
-#                    Galter Health Sciences Library & Learning Center.
-# Copyright (C) 2025 Front Matter.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
+# SPDX-FileCopyrightText: 2019 CERN.
+# SPDX-FileCopyrightText: 2019 Northwestern University,
+# SPDX-FileCopyrightText: 2025 Front Matter.
+# SPDX-License-Identifier: MIT
 
 """Small library to generate, encode and decode random base32 identifiers."""
 
diff --git a/base32_lib/base32.py b/base32_lib/base32.py
index 7362a53..d037dfd 100644
--- a/base32_lib/base32.py
+++ b/base32_lib/base32.py
@@ -1,12 +1,7 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University.
-# Copyright (C) 2025 Front Matter.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
+# SPDX-FileCopyrightText: 2019 CERN.
+# SPDX-FileCopyrightText: 2019 Northwestern University.
+# SPDX-FileCopyrightText: 2025 Front Matter.
+# SPDX-License-Identifier: MIT
 
 """Generate, encode and decode random base32 identifiers.
 
diff --git a/docs/conf.py b/docs/conf.py
index edab805..b603f94 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,19 +1,12 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University,
-#                    Galter Health Sciences Library & Learning Center.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
+# SPDX-FileCopyrightText: 2019 CERN.
+# SPDX-FileCopyrightText: 2019 Northwestern University,
+# SPDX-License-Identifier: MIT
 
 """Sphinx configuration."""
 
 from __future__ import print_function
 
-import os
-
+from base32_lib import __version__
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -64,21 +57,15 @@
 #
 # The short X.Y version.
 
-# Get the version string. Cannot be done with import!
-g = {}
-with open(os.path.join("..", "base32_lib", "version.py"), "rt") as fp:
-    exec(fp.read(), g)
-    version = g["__version__"]
-
 # The full version, including alpha/beta/rc tags.
-release = version
+release = __version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = "en"
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
@@ -328,4 +315,6 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {"https://docs.python.org/": None}
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/", None),
+}
diff --git a/docs/index.rst b/docs/index.rst
index f6f7594..ecf00a2 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,10 +1,7 @@
 ..
-   This file is part of base32-lib
-   Copyright (C) 2019 CERN.
-   Copyright (C) 2019 Northwestern University.
-
-   base32-lib is free software; you can redistribute it and/or modify it
-   under the terms of the MIT License; see LICENSE file for more details.
+   SPDX-FileCopyrightText: 2019 CERN.
+   SPDX-FileCopyrightText: 2019 Northwestern University.
+   SPDX-License-Identifier: MIT
 
 .. currentmodule:: base32-lib
 
diff --git a/pyproject.toml b/pyproject.toml
index 7be1359..b667189 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,12 +1,7 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University.
-# Copyright (C) 2025 Front Matter.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
+# SPDX-FileCopyrightText: 2019 CERN.
+# SPDX-FileCopyrightText: 2019 Northwestern University.
+# SPDX-FileCopyrightText: 2025 Front Matter.
+# SPDX-License-Identifier: MIT
 
 [build-system]
 requires = ["setuptools>=61", "wheel"]
@@ -17,7 +12,7 @@ name = "base32-lib"
 dynamic = ["version"]
 description = "Small library to generate, encode and decode random base32 strings."
 readme = "README.rst"
-requires-python = ">=3.10"
+requires-python = ">=3.8"
 license = { text = "MIT License" }
 authors = [{ name = "Invenio Software", email = "info@inveniosoftware.org" }]
 keywords = ["base32", "identifiers"]
diff --git a/run-tests.sh b/run-tests.sh
index 2cd1cba..8bdde4b 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -1,14 +1,37 @@
-#!/bin/sh
+#!/usr/bin/env bash
+# SPDX-FileCopyrightText: 2019-2021 CERN.
+# SPDX-FileCopyrightText: 2019-2020 Northwestern University.
+# SPDX-FileCopyrightText: 2021-2026 TU Wien.
+# SPDX-FileCopyrightText: 2022 Graz University of Technology.
+# SPDX-License-Identifier: MIT
 #
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
-
-pydocstyle base32-lib tests && \
-isort --recursive --check-only --diff **/*.py && \
-check-manifest --ignore ".travis-*" && \
-sphinx-build -qnNW docs docs/_build/html && \
-python setup.py test
+# Usage:
+#   ./run-tests.sh [pytest options and args...]
+
+# Quit on errors
+set -o errexit
+
+# Quit on unbound symbols
+set -o nounset
+
+# Check for arguments
+# Note: "-k" would clash with "pytest"
+pytest_args=()
+for arg in $@; do
+	# from the CLI args, filter out some known values and forward the rest to "pytest"
+	# note: we don't use "getopts" here b/c of some limitations (e.g. long options),
+	#       which means that we can't combine short options (e.g. "./run-tests -Kk pattern")
+	case ${arg} in
+		*)
+			pytest_args+=( ${arg} )
+			;;
+	esac
+done
+
+python -m check_manifest
+python -m sphinx.cmd.build -qnN docs docs/_build/html
+# Note: expansion of pytest_args looks like below to not cause an unbound
+# variable error when 1) "nounset" and 2) the array is empty.
+python -m pytest ${pytest_args[@]+"${pytest_args[@]}"}
+tests_exit_code=$?
+exit "$tests_exit_code"
diff --git a/tests/test_base32.py b/tests/test_base32.py
index d6425f1..5c12317 100644
--- a/tests/test_base32.py
+++ b/tests/test_base32.py
@@ -1,12 +1,6 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of base32-lib
-# Copyright (C) 2019 CERN.
-# Copyright (C) 2019 Northwestern University,
-#                    Galter Health Sciences Library & Learning Center.
-
-# base32-lib is free software; you can redistribute it and/or modify it
-# under the terms of the MIT License; see LICENSE file for more details.
+# SPDX-FileCopyrightText: 2019 CERN.
+# SPDX-FileCopyrightText: 2019 Northwestern University,
+# SPDX-License-Identifier: MIT
 
 """Provider tests."""