diff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc
index 0ac4dfb5c8..3b36d0f5a7 100644
--- a/SecurityPkg/SecurityPkg.dsc
+++ b/SecurityPkg/SecurityPkg.dsc
@@ -66,6 +66,7 @@
   TrEEPpVendorLib|SecurityPkg/Library/TrEEPpVendorLibNull/TrEEPpVendorLibNull.inf
   RngLib|MdePkg/Library/BaseRngLib/BaseRngLib.inf
   PciLib|MdePkg/Library/BasePciLibPciExpress/BasePciLibPciExpress.inf
+  PciSegmentLib|MdePkg/Library/BasePciSegmentLibPci/BasePciSegmentLibPci.inf
   S3BootScriptLib|MdeModulePkg/Library/PiDxeS3BootScriptLib/DxeS3BootScriptLib.inf
   SmbusLib|MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf
   LockBoxLib|MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.inf