diff --git a/DfciPkg/DfciPkg.dsc b/DfciPkg/DfciPkg.dsc
index aac6d1ea..fc7a9c71 100644
--- a/DfciPkg/DfciPkg.dsc
+++ b/DfciPkg/DfciPkg.dsc
@@ -80,6 +80,7 @@
 
   UnitTestLib|UnitTestFrameworkPkg/Library/UnitTestLib/UnitTestLib.inf
   ResetSystemLib|MdeModulePkg/Library/BaseResetSystemLibNull/BaseResetSystemLibNull.inf
+  NULL|MdePkg/Library/StackCheckLibNull/StackCheckLibNull.inf
 
 [LibraryClasses.common.UEFI_APPLICATION]
   UnitTestPersistenceLib|UnitTestFrameworkPkg/Library/UnitTestPersistenceLibSimpleFileSystem/UnitTestPersistenceLibSimpleFileSystem.inf
diff --git a/ZeroTouchPkg/ZeroTouchPkg.dsc b/ZeroTouchPkg/ZeroTouchPkg.dsc
index 9930447a..ef41f553 100644
--- a/ZeroTouchPkg/ZeroTouchPkg.dsc
+++ b/ZeroTouchPkg/ZeroTouchPkg.dsc
@@ -21,6 +21,7 @@
 [PcdsFixedAtBuild]
 
 [LibraryClasses.common]
+  NULL|MdePkg/Library/StackCheckLibNull/StackCheckLibNull.inf
 
 [LibraryClasses.IA32]