diff --git a/setup.py b/setup.py
index 16038116bcc..9e7a91f288b 100644
--- a/setup.py
+++ b/setup.py
@@ -107,4 +107,5 @@ def run(self):
         "Programming Language :: Python :: Implementation :: PyPy",
     ],
     cmdclass={"install_scripts": gen_windows_batch_files},
+    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <3.10",
 )