diff --git a/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S b/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S
index 82a7232268..12c2421b6d 100644
--- a/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S
+++ b/MdePkg/Library/BaseCpuLib/AArch64/CpuFlushTlb.S
@@ -26,6 +26,7 @@ GCC_ASM_EXPORT(CpuFlushTlb)
 #  )#
 #
 ASM_PFX(CpuFlushTlb):
+  AARCH64_BTI(c)
   tlbi  vmalle1                 // Invalidate Inst TLB and Data TLB
   dsb   sy
   isb
diff --git a/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S b/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S
index 410a271565..6853e0c56e 100644
--- a/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S
+++ b/MdePkg/Library/BaseCpuLib/AArch64/CpuSleep.S
@@ -29,5 +29,6 @@ GCC_ASM_EXPORT(CpuSleep)
 #
 
 ASM_PFX(CpuSleep):
+    AARCH64_BTI(c)
     wfi
     ret