diff --git a/include/mmc.h b/include/mmc.h
index 9b26924..fcea195 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -31,6 +31,7 @@
 #define MMC_VERSION_4_3		(MMC_VERSION_MMC | 0x403)
 #define MMC_VERSION_4_41	(MMC_VERSION_MMC | 0x429)
 #define MMC_VERSION_4_5		(MMC_VERSION_MMC | 0x405)
+#define MMC_VERSION_5_0		(MMC_VERSION_MMC | 0x500)
 
 #define MMC_MODE_HS		(1 << 0)
 #define MMC_MODE_HS_52MHz	(1 << 1)