diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index a5e348f95b..9100262abe 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -75,6 +75,15 @@
   ##
   MemoryTestLib|Include/Library/MemoryTestLib.h
 
+  ##  @libraryclass  Provides APIs for HII related functions.
+  ##
+  NewHiiLib|MdeModulePkg/Include/Library/NewHiiLib.h
+
+  ##  @libraryclass    Provides global variables that are pointers 
+  ##  to the UEFI HII related protocols. 
+  ##
+  UefiHiiServicesLib|MdeModulePkg/Include/Library/UefiHiiServicesLib.h
+
 [Guids.common]
   ## MdeModule package token space guid
   ## Include/Guid/MdeModulePkgTokenSpace.h