diff --git a/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
index 89dda509c5..6c71fe0023 100644
--- a/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
+++ b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
@@ -1,6 +1,6 @@
 #/** @file
 #
-#  Copyright (c) 2017 - 2018, ARM Limited. All rights reserved.
+#  Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -10,7 +10,7 @@
 [Defines]
   INF_VERSION                    = 0x0001001A
   BASE_NAME                      = ArmMmuStandaloneMmCoreLib
-  FILE_GUID                      = da8f0232-fb14-42f0-922c-63104d2c70bd
+  FILE_GUID                      = 44a741c2-655f-41fc-b066-179f5a9aa78a
   MODULE_TYPE                    = MM_CORE_STANDALONE
   VERSION_STRING                 = 1.0
   LIBRARY_CLASS                  = StandaloneMmMmuLib