diff --git a/scripts/Windows/resources/windows_sign_dlls.ps1 b/scripts/Windows/resources/windows_sign_dlls.ps1
index e54fc05aa..777705ee1 100644
--- a/scripts/Windows/resources/windows_sign_dlls.ps1
+++ b/scripts/Windows/resources/windows_sign_dlls.ps1
@@ -8,5 +8,5 @@ $files = Get-ChildItem $path -include ('*.exe', '*.dll') -Recurse
 
 for ($i=0; $i -lt $files.Count; $i++) {
     $file = $files[$i].FullName
-    signtool.exe sign /f $cert_path /p $pssw /t http://timestamp.comodoca.com/authenticode $file
+    signtool.exe sign /fd SHA256 /f $cert_path /p $pssw /t http://timestamp.comodoca.com/authenticode $file
 }