1 files changed, 3 insertions, 0 deletions
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index b3c0e4fd3b..5fa064a68b 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -382,6 +382,9 @@
   ## Include/Guid/StatusCodeDataTypeId.h
   gEfiStatusCodeSpecificDataGuid   = { 0x335984BD, 0xE805, 0x409A, { 0xB8, 0xF8, 0xD2, 0x7E, 0xCE, 0x5F, 0xF7, 0xA6 }}
 
+  ## Include/Guid/FirmwareFileSystem3.h
+  gEfiFirmwareFileSystem3Guid      = { 0x5473c07a, 0x3dcb, 0x4dca, { 0xbd, 0x6f, 0x1e, 0x96, 0x89, 0xe7, 0x34, 0x9a }}
+  
 [Ppis]
   ## Include/Ppi/MasterBootMode.h
   gEfiPeiMasterBootModePpiGuid = { 0x7408d748, 0xfc8c, 0x4ee6, {0x92, 0x88, 0xc4, 0xbe, 0xc0, 0x92, 0xa4, 0x10 } }