diff --git a/include/lib/transfer_list.h b/include/lib/transfer_list.h
index 7b66a5e..bcf9fc9 100644
--- a/include/lib/transfer_list.h
+++ b/include/lib/transfer_list.h
@@ -56,6 +56,7 @@
 	TL_TAG_HOB_BLOCK = 2,
 	TL_TAG_HOB_LIST = 3,
 	TL_TAG_ACPI_TABLE_AGGREGATE = 4,
+	TL_TAG_TPM_EVLOG = 5,
 	TL_TAG_OPTEE_PAGABLE_PART = 0x100,
 	TL_TAG_DT_SPMC_MANIFEST = 0x101,
 	TL_TAG_EXEC_EP_INFO64 = 0x102,