diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f831c325..c6fcb87c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -418,7 +418,7 @@ jobs:
             $env:arch =  "ARM64"
             # TODO: figure out why Windows ARM64 isn't compat with PGO optimiazation
             # causes 10-20% slowdown in Python
-            PCBuild\build.bat -c Release -p $env:arch
+            PCBuild\build.bat -c Release -p $env:arch --pgo
           }
 
       - name: Mac/Linux Build Python