diff --git a/Dockerfiles/build-base/windows/Dockerfile.agent2 b/Dockerfiles/build-base/windows/Dockerfile.agent2
index 6cb9cf873..c16e07f45 100644
--- a/Dockerfiles/build-base/windows/Dockerfile.agent2
+++ b/Dockerfiles/build-base/windows/Dockerfile.agent2
@@ -200,7 +200,7 @@ RUN Set-Location -Path $env:SystemDrive\.; `
     [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; `
     (New-Object Net.WebClient).DownloadFile("""$env:CYGWIN_URL""", """$env:SystemDrive\setup.exe"""); `
     `
-    $sha256 = '98fac3ee56a183f8c45abc1e80395c48f075e338708d27a64eee8c942fd2baa9'; `
+    $sha256 = '18b445dc16259bb772aaf0d32d64f9ed3166045fdc07eb9154651840d8a27752'; `
     Write-Host ('Verifying SHA256 ({0}) ...' -f $sha256); `
     if ((Get-FileHash $env:SystemDrive\setup.exe -Algorithm sha256).Hash -ne $sha256) { `
         Write-Host 'Checksum Cygwin failed!'; `