diff --git a/setup.py b/setup.py
index ed06259c..c6f7bad8 100644
--- a/setup.py
+++ b/setup.py
@@ -151,8 +151,13 @@ def _determine_platform_tag():
 
         if sys.platform == 'darwin':
             _, _, _, _, machine = os.uname()
-            return 'macosx-10.9-{}'.format(machine)
-
+            if machine == 'x86_64':
+                return 'macosx-10.9-{}'.format(machine)
+            if machine == 'arm64':
+                return 'macosx-11.0-{}'.format(machine)
+            else:
+                raise NotImplementedError
+                
         if os.name == 'posix':
             _, _, _, _, machine = os.uname()
             return 'manylinux1-{}'.format(machine)