diff --git a/setup.py b/setup.py
index c15190e..51db702 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
     packages=find_packages(),
     long_description=long_description,
     long_description_content_type='text/x-rst',
-    python_requires='>=3.9',
+    python_requires='>=3.11,<4.0',
     install_requires=[
         "pandas",
         "configparser",