diff --git a/include/lib/transfer_list.h b/include/lib/transfer_list.h
index 047b2d0..7a38e70 100644
--- a/include/lib/transfer_list.h
+++ b/include/lib/transfer_list.h
@@ -61,6 +61,7 @@
 	TL_TAG_EXEC_EP_INFO64 = 0x102,
 	TL_TAG_TB_FW_CONFIG = 0x103,
 	TL_TAG_SRAM_LAYOUT64 = 0x104,
+	TL_TAG_MBEDTLS_HEAP_INFO = 0x105,
 };
 
 enum transfer_list_ops {