diff --git a/SecurityPkg/DeviceSecurity/SpdmLib/libspdm b/SecurityPkg/DeviceSecurity/SpdmLib/libspdm
new file mode 160000
index 00000000000..f6558cc7da3
--- /dev/null
+++ b/SecurityPkg/DeviceSecurity/SpdmLib/libspdm
@@ -0,0 +1 @@
+Subproject commit f6558cc7da31ccc882a3bf6a2b4a53f6b8551b45