diff --git a/lib/libusb/libusb.h b/lib/libusb/libusb.h
--- a/lib/libusb/libusb.h
+++ b/lib/libusb/libusb.h
@@ -66,6 +66,7 @@
 	LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15,
 	LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc,
 	LIBUSB_CLASS_WIRELESS = 0xe0,
+	LIBUSB_CLASS_MISCELLANEOUS = 0xef,
 	LIBUSB_CLASS_APPLICATION = 0xfe,
 	LIBUSB_CLASS_VENDOR_SPEC = 0xff,
 };