diff --git a/setup.cfg b/setup.cfg
index 40b8be8..e5196d3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -30,7 +30,7 @@ install_requires =
     bqplot
     rdkit>=2023.3.1
     scikit-learn~=1.2
-python_requires = >=3.8
+python_requires = >=3.9
 
 [options.extras_require]
 dev =