diff --git a/FatPkg/FatPkg.dsc b/FatPkg/FatPkg.dsc
index 0acaaa76a5..0272755b16 100644
--- a/FatPkg/FatPkg.dsc
+++ b/FatPkg/FatPkg.dsc
@@ -35,6 +35,7 @@
   # Common Libraries
   #
   BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
+  SynchronizationLib|MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf
   BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
   UefiLib|MdePkg/Library/UefiLib/UefiLib.inf
   PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf