diff --git a/libspdm b/libspdm
index 93dc9af..4bc973f 160000
--- a/libspdm
+++ b/libspdm
@@ -1 +1 @@
-Subproject commit 93dc9af25c51b1c95e76a9496b78369db89d6860
+Subproject commit 4bc973ff008b8a04ca4f208b6d72a54685c89511