diff --git a/setup.py b/setup.py
index d3f3d4957f94213f489789ae61941136bb513881..58ba2c8501720aa1042da93aa95d23fb3a2b2783 100755
--- a/setup.py
+++ b/setup.py
@@ -40,6 +40,7 @@ setup(
     description="Software Heritage Scheduler",
     long_description=long_description,
     long_description_content_type="text/markdown",
+    python_requires=">=3.7",
     author="Software Heritage developers",
     author_email="swh-devel@inria.fr",
     url="https://forge.softwareheritage.org/diffusion/DSCH/",