:: commit cbc049edc9a11553c75a2d76f2e1b07bad7f4a3b

diff --git a/PROTOCOL.md b/PROTOCOL.md
index df7e2b7d..1f10ba2d 100644
--- a/PROTOCOL.md
+++ b/PROTOCOL.md
@@ -481,6 +481,7 @@ struct limine_firmware_type_response {
 #define LIMINE_FIRMWARE_TYPE_X86BIOS 0
 #define LIMINE_FIRMWARE_TYPE_UEFI32 1
 #define LIMINE_FIRMWARE_TYPE_UEFI64 2
+#define LIMINE_FIRMWARE_TYPE_SBI 3
 ```
 
 ### Stack Size Feature
diff --git a/limine.h b/limine.h
index 8436a838..e7de47c6 100644
--- a/limine.h
+++ b/limine.h
@@ -121,6 +121,7 @@ struct limine_bootloader_info_request {
 #define LIMINE_FIRMWARE_TYPE_X86BIOS 0
 #define LIMINE_FIRMWARE_TYPE_UEFI32 1
 #define LIMINE_FIRMWARE_TYPE_UEFI64 2
+#define LIMINE_FIRMWARE_TYPE_SBI 3
 
 struct limine_firmware_type_response {
     uint64_t revision;