diff --git a/include/libpldm/state_set.h b/include/libpldm/state_set.h
index 23fd91c..d54bbe1 100644
--- a/include/libpldm/state_set.h
+++ b/include/libpldm/state_set.h
@@ -214,6 +214,7 @@
 	PLDM_STATE_SET_BOOT_PROG_STATE_MEM_INITIALIZATION = 3,
 	PLDM_STATE_SET_BOOT_PROG_STATE_SEC_PROC_INITIALIZATION = 5,
 	PLDM_STATE_SET_BOOT_PROG_STATE_PCI_RESORUCE_CONFIG = 9,
+	PLDM_STATE_SET_BOOT_PROG_STATE_OSSTART = 20,
 	PLDM_STATE_SET_BOOT_PROG_STATE_STARTING_OP_SYS = 21,
 	PLDM_STATE_SET_BOOT_PROG_STATE_BASE_BOARD_INITIALIZATION = 22,
 	PLDM_STATE_SET_BOOT_PROG_STATE_PRIMARY_PROC_INITIALIZATION = 26,