diff --git a/setup.py b/setup.py
index 6cd90e5..b85cb88 100755
--- a/setup.py
+++ b/setup.py
@@ -1,80 +1,81 @@
 #!/usr/bin/env python3
-# Copyright (C) 2015-2020  The Software Heritage developers
+# Copyright (C) 2015-2022  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 from glob import glob
 from io import open
 from os import path
 
 from setuptools import find_packages, setup
 
 here = path.abspath(path.dirname(__file__))
 
 # Get the long description from the README file
 with open(path.join(here, "README.rst"), encoding="utf-8") as f:
     long_description = f.read()
 
 
-def parse_requirements(name=None):
-    if name:
-        reqf = "requirements-%s.txt" % name
-    else:
-        reqf = "requirements.txt"
-
+def parse_requirements(*names):
     requirements = []
-    if not path.exists(reqf):
-        return requirements
+    for name in names:
+        if name:
+            reqf = "requirements-%s.txt" % name
+        else:
+            reqf = "requirements.txt"
+
+        if not path.exists(reqf):
+            return requirements
 
-    with open(reqf) as f:
-        for line in f.readlines():
-            line = line.strip()
-            if not line or line.startswith("#"):
-                continue
-            requirements.append(line)
+        with open(reqf) as f:
+            for line in f.readlines():
+                line = line.strip()
+                if not line or line.startswith("#"):
+                    continue
+                requirements.append(line)
     return requirements
 
 
 JAR_PATHS = list(glob("java/target/swh-graph-*.jar"))
 
 setup(
     name="swh.graph",
     description="Software Heritage graph service",
     long_description=long_description,
     long_description_content_type="text/x-rst",
     python_requires=">=3.7",
     author="Software Heritage developers",
     author_email="swh-devel@inria.fr",
     url="https://forge.softwareheritage.org/diffusion/DGRPH",
     packages=find_packages(),
-    install_requires=parse_requirements() + parse_requirements("swh"),
+    install_requires=parse_requirements(None, "swh"),
     tests_require=parse_requirements("test"),
     setup_requires=["setuptools-scm"],
     use_scm_version=True,
     extras_require={
-        "testing": parse_requirements("test"),
+        "testing": parse_requirements("luigi", "test"),
         "luigi": parse_requirements("luigi"),
     },
     include_package_data=True,
     data_files=[("share/swh-graph", JAR_PATHS)],
     entry_points="""
         [console_scripts]
         swh-graph=swh.graph.cli:main
         [swh.cli.subcommands]
         graph=swh.graph.cli
     """,
     classifiers=[
         "Programming Language :: Python :: 3",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
         "Operating System :: OS Independent",
         "Development Status :: 3 - Alpha",
     ],
     project_urls={
         "Bug Reports": "https://forge.softwareheritage.org/maniphest",
         "Funding": "https://www.softwareheritage.org/donate",
         "Source": "https://forge.softwareheritage.org/source/swh-graph",
         "Documentation": "https://docs.softwareheritage.org/devel/swh-graph/",
     },
 )