diff --git a/MdePkg/Library/PeiPalLib/PeiPalLib.inf b/MdePkg/Library/PeiPalLib/PeiPalLib.inf
index 96ce561918..217ca5eb9d 100644
--- a/MdePkg/Library/PeiPalLib/PeiPalLib.inf
+++ b/MdePkg/Library/PeiPalLib/PeiPalLib.inf
@@ -22,7 +22,7 @@
   FILE_GUID                      = B53DC524-6B98-4584-940B-8F1363DEF09E
   MODULE_TYPE                    = PEIM
   VERSION_STRING                 = 1.0
-  LIBRARY_CLASS                  = PalLib|PEIM PEI_CORE
+  LIBRARY_CLASS                  = PalLib|PEIM SEC PEI_CORE
   EDK_RELEASE_VERSION            = 0x00020000