diff --git a/Dockerfiles/build-base/windows/Dockerfile.agent2 b/Dockerfiles/build-base/windows/Dockerfile.agent2
index 475802282..eaa401e06 100644
--- a/Dockerfiles/build-base/windows/Dockerfile.agent2
+++ b/Dockerfiles/build-base/windows/Dockerfile.agent2
@@ -146,13 +146,13 @@ RUN Set-Location -Path $env:SystemDrive\.; `
     `
     Write-Host 'Installing MSYS2...'; `
     & $env:TEMP\msys2.sfx.exe -y -o"""$env:SystemDrive\""" | Out-Null; `
-#    sh --login -c 'pacman -Syuu --needed --noconfirm --ask=20'; `
-#    sh --login -c 'pacman -Syu --noconfirm'; `
-#    sh --login -c 'pacman --sync --quiet --noconfirm mingw-w64-ucrt-x86_64-cmake'; `
+    bash -lc 'pacman -Syuu --needed --noconfirm --ask=20'; `
+    bash -lc 'pacman -Syu --noconfirm'; `
+    bash -lc 'pacman --sync --quiet --noconfirm mingw-w64-ucrt-x86_64-cmake'; `
     compact /c /i /s:$env:SystemDrive\msys64 | Out-Null; `
     `
-    Write-Host 'Verifying install ("sh --version") ...'; `
-    sh.exe --version; `
+    Write-Host 'Verifying install ("bash --version") ...'; `
+    bash --version; `
     `
     Write-Host ('{0} - Visual Studio components installing...' -f $(Get-Date -format 'u')); `
     cmd /C start /w $env:TEMP\vs_buildtools.exe `