diff --git a/setup.py b/setup.py
index f0ea60468c4f15816640b2d17491d5108d044d54..4955e1ddda62b4777554c38b74b4e5ab23bc3767 100755
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (C) 2015-2018  The Software Heritage developers
+# Copyright (C) 2015-2020  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
@@ -42,6 +42,7 @@ setup(
     description="Software Heritage data model",
     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/DMOD/",