diff --git a/setup.cfg b/setup.cfg
index 2ac2bd8..827a157 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -31,7 +31,7 @@ classifiers =
 
 [options]
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.9
 setup_requires = setuptools_scm
 install_requires =
     cmap