diff --git a/source/hos/hos.h b/source/hos/hos.h
index 2b89bb3..94136fa 100644
--- a/source/hos/hos.h
+++ b/source/hos/hos.h
@@ -38,7 +38,8 @@
 #define KB_FIRMWARE_VERSION_810 8
 #define KB_FIRMWARE_VERSION_900 9
 #define KB_FIRMWARE_VERSION_910 10
-#define KB_FIRMWARE_VERSION_MAX KB_FIRMWARE_VERSION_910
+#define KB_FIRMWARE_VERSION_1210 11
+#define KB_FIRMWARE_VERSION_MAX KB_FIRMWARE_VERSION_1210
 
 #define HOS_PKG11_MAGIC 0x31314B50
 #define HOS_EKS_MAGIC   0x30534B45