diff --git a/NetworkPkg/NetworkPkg.dsc b/NetworkPkg/NetworkPkg.dsc
index cf2164aefe..8691a0f5d0 100644
--- a/NetworkPkg/NetworkPkg.dsc
+++ b/NetworkPkg/NetworkPkg.dsc
@@ -79,6 +79,12 @@
   NULL|MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf
   ArmSoftFloatLib|ArmPkg/Library/ArmSoftFloatLib/ArmSoftFloatLib.inf
 
+[LibraryClasses.ARM]
+  RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
+
+[LibraryClasses.RISCV64]
+  RngLib|MdePkg/Library/BaseRngLibTimerLib/BaseRngLibTimerLib.inf
+
 [PcdsFeatureFlag]
   gEfiMdePkgTokenSpaceGuid.PcdComponentName2Disable|TRUE
   gEfiMdePkgTokenSpaceGuid.PcdDriverDiagnostics2Disable|TRUE