diff --git a/setup.cfg b/setup.cfg
index 3d0501a..438df59 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,7 @@ tests_require =
 install_requires =
 	plover>=4.0.0.dev5
 	more_itertools
-	pyusb
+	pyusb>=1.0.0;platform_system!="Windows"
 py_modules =
 	plover_stenograph_usb