diff --git a/setup.py b/setup.py
index 40b056f22..e6ecda8ac 100644
--- a/setup.py
+++ b/setup.py
@@ -61,6 +61,7 @@ setup(
     packages = find_packages(exclude = ["src"]),
     include_package_data = True,
     install_requires = install_requires,
+    python_requires='>=3.6',
     entry_points = {
         "mkdocs.themes": [
             "material = material",