diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc
index 69a05feea9..de21312e6f 100644
--- a/OvmfPkg/AmdSev/AmdSevX64.dsc
+++ b/OvmfPkg/AmdSev/AmdSevX64.dsc
@@ -3,7 +3,7 @@
 #  virtual machine remote attestation and secret injection
 #
 #  Copyright (c) 2020 James Bottomley, IBM Corporation.
-#  Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -114,6 +114,9 @@
 # Library Class section - list of all Library Classes needed by this Platform.
 #
 ################################################################################
+
+!include MdePkg/MdeLibs.dsc.inc
+
 [LibraryClasses]
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.inf
diff --git a/OvmfPkg/Bhyve/BhyveX64.dsc b/OvmfPkg/Bhyve/BhyveX64.dsc
index 132f55cf69..52cbed9c2e 100644
--- a/OvmfPkg/Bhyve/BhyveX64.dsc
+++ b/OvmfPkg/Bhyve/BhyveX64.dsc
@@ -1,6 +1,6 @@
 #
 #  Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
-#  Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #  Copyright (c) 2014, Pluribus Networks, Inc.
 #
@@ -114,6 +114,9 @@
 # Library Class section - list of all Library Classes needed by this Platform.
 #
 ################################################################################
+
+!include MdePkg/MdeLibs.dsc.inc
+
 [LibraryClasses]
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLibBhyve.inf
diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 93c209950c..396159ebe2 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -1,7 +1,7 @@
 ## @file
 #  EFI/Framework Open Virtual Machine Firmware (OVMF) platform
 #
-#  Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #  Copyright (c) Microsoft Corporation.
 #
@@ -118,6 +118,9 @@
 # Library Class section - list of all Library Classes needed by this Platform.
 #
 ################################################################################
+
+!include MdePkg/MdeLibs.dsc.inc
+
 [LibraryClasses]
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 97cc438250..21d58dca98 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -1,7 +1,7 @@
 ## @file
 #  EFI/Framework Open Virtual Machine Firmware (OVMF) platform
 #
-#  Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #  Copyright (c) Microsoft Corporation.
 #
@@ -122,6 +122,9 @@
 # Library Class section - list of all Library Classes needed by this Platform.
 #
 ################################################################################
+
+!include MdePkg/MdeLibs.dsc.inc
+
 [LibraryClasses]
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.inf
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index f544fb04bf..2d61926dab 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -1,7 +1,7 @@
 ## @file
 #  EFI/Framework Open Virtual Machine Firmware (OVMF) platform
 #
-#  Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #  Copyright (c) Microsoft Corporation.
 #
@@ -122,6 +122,9 @@
 # Library Class section - list of all Library Classes needed by this Platform.
 #
 ################################################################################
+
+!include MdePkg/MdeLibs.dsc.inc
+
 [LibraryClasses]
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.inf
diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
index fcaa35acf1..0336a74e70 100644
--- a/OvmfPkg/OvmfXen.dsc
+++ b/OvmfPkg/OvmfXen.dsc
@@ -1,7 +1,7 @@
 ## @file
 #  EFI/Framework Open Virtual Machine Firmware (OVMF) platform
 #
-#  Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #  Copyright (c) 2019, Citrix Systems, Inc.
 #  Copyright (c) Microsoft Corporation.
@@ -112,6 +112,9 @@
 # Library Class section - list of all Library Classes needed by this Platform.
 #
 ################################################################################
+
+!include MdePkg/MdeLibs.dsc.inc
+
 [LibraryClasses]
   PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   TimerLib|MdePkg/Library/SecPeiDxeTimerLibCpu/SecPeiDxeTimerLibCpu.inf