diff --git a/setup.cfg b/setup.cfg
index 16c1f9f..f2c433b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,7 +22,7 @@ license_files = LICENSE
 [options]
 packages = find:
 include_package_data = True
-python_requires = >=3.6
+python_requires = >=3.7
 install_requires =
     numpy
     pyproj