diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index f7dbb27ce2..25aea3e2a4 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -14,7 +14,7 @@
   PLATFORM_VERSION               = 0.98
   DSC_SPECIFICATION              = 0x00010005
   OUTPUT_DIRECTORY               = Build/MdeModule
-  SUPPORTED_ARCHITECTURES        = IA32|X64|EBC|ARM|AARCH64
+  SUPPORTED_ARCHITECTURES        = IA32|X64|EBC|ARM|AARCH64|RISCV64
   BUILD_TARGETS                  = DEBUG|RELEASE|NOOPT
   SKUID_IDENTIFIER               = DEFAULT
 
@@ -182,7 +182,7 @@
   #
   NULL|MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf
 
-[LibraryClasses.EBC]
+[LibraryClasses.EBC, LibraryClasses.RISCV64]
   LockBoxLib|MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.inf
 
 [PcdsFeatureFlag]