diff --git a/oem/nvidia/oemcommands.hpp b/oem/nvidia/oemcommands.hpp
index d305973..17ff34f 100644
--- a/oem/nvidia/oemcommands.hpp
+++ b/oem/nvidia/oemcommands.hpp
@@ -16,6 +16,7 @@
 namespace bootstrap_credentials_oem
 {
 constexpr auto cmdGetUsbVendorIdProductId = 0x30;
+constexpr auto cmdGetUsbSerialNumber = 0x31;
 } // namespace bootstrap_credentials_oem
 
 namespace bios_password