diff --git a/.github/workflows/run-python-tests-pg.yml b/.github/workflows/run-python-tests-pg.yml
index 3ea618b04..2a38dcba2 100644
--- a/.github/workflows/run-python-tests-pg.yml
+++ b/.github/workflows/run-python-tests-pg.yml
@@ -57,7 +57,9 @@ jobs:
       - name: Install platform dependencies on Windows
         if: ${{ matrix.os == 'windows-latest' }}
         run: |
-          choco install -y postgresql${{ matrix.pgver }} --params "/Password:postgres /Port:59${{ matrix.pgver }}" --ia "--prefix C:\PostgreSQL\${{ matrix.pgver }} --datadir C:\PostgreSQL\${{ matrix.pgver }}\data --install_runtimes 0 --disable-components pgAdmin,stackbuilder --enable-components server,commandlinetools"
+          FOR /f "delims=" %%F IN ('python tools\get_sb_package.py "https://www.postgresql.org/applications-v2.xml" "postgresql_${{ matrix.pgver }}" "windows-x64"') DO SET INSTALLER_EXE=%%F
+          ECHO Running %INSTALLER_EXE%...
+          %INSTALLER_EXE% --prefix C:\PostgreSQL\${{ matrix.pgver }} --datadir C:\PostgreSQL\${{ matrix.pgver }}\data --serverport 59${{ matrix.pgver }} --superpassword postgres --install_runtimes 0 --mode unattended --unattendedmodeui none --disable-components pgAdmin, stackbuilder --enable-components server,commandlinetools"
           choco install -y mitkerberos
           
           REM Ignore error 3010 (reboot required)