diff --git a/setup.py b/setup.py
index 47e94657a9171d33fb07aed1af8000b321fe9645..80692bd5876ce0e48b08257a40fbf3550ad1594a 100755
--- a/setup.py
+++ b/setup.py
@@ -40,6 +40,7 @@ setup(
     description="Software Heritage Loader SVN",
     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/DLDSVN",