diff --git a/setup.cfg b/setup.cfg
index ef3174b..49115b6 100755
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,7 +27,7 @@ classifiers =
 [options]
 zip_safe = false
 include_package_data = true
-python_requires = >= 3.6
+python_requires = >=3.8,<3.9
 test_suite = tests
 install_requires =
 # deprecated/redundant with pyproject.toml, but lets keep both ways around for now