diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 42ad21cf24..4f44af6948 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -1550,6 +1550,9 @@
   # @Prompt Console Output Row of Text Setup
   gEfiMdeModulePkgTokenSpaceGuid.PcdSetupConOutRow|25|UINT32|0x4000000e
 
+[PcdsFixedAtBuild.AARCH64, PcdsPatchableInModule.AARCH64]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiExposedTableVersions|0x20|UINT32|0x0001004c
+
 [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
   ## UART clock frequency is for the baud rate configuration.
   # @Prompt Serial Port Clock Rate.