diff --git a/setup.py b/setup.py
index b948346..ad9c74a 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
     long_description=open('README.rst').read(),
     author='Yoel Cortes-Pena',
     install_requires=['numba>=0.50.0', 'llvmlite>=0.31', 'numpy'],
-    python_requires=">=3.6",
+    python_requires=">=3.9",
     package_data=
         {'flexsolve': []},
     platforms=['Windows', 'Mac', 'Linux'],