diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 96b7d2c4..d7928b2d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -134,6 +134,7 @@ jobs:
           Set-Variable -name python_url -value "https://www.python.org/ftp/python/$BUILD_PYTHON_VERSION/$python_file"
           Invoke-WebRequest -Uri $python_url -OutFile $python_file
           Start-Process -wait -FilePath $python_file -ArgumentList "/quiet","InstallAllUsers=1","TargetDir=c:\\python"
+        shell: pwsh
   
       - name: Set env variables for pre-compiled Python
         if: matrix.goal == 'test'