diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index 130c604688..609e331607 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -111,6 +111,7 @@
   CacheMaintenanceLib|Include/Library/CacheMaintenanceLib.h
   BaseMemoryLib|Include/Library/BaseMemoryLib.h
   BaseLib|Include/Library/BaseLib.h
+  BasePeCoffLib|Include/Library/PeCoffLib.h
 
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 #