diff --git a/sign.cmd b/sign.cmd
index 96c9899..2f5bb49 100644
--- a/sign.cmd
+++ b/sign.cmd
@@ -37,9 +37,11 @@ if %errorlevel% neq 0 (
 )
 
 "%SIGNTOOL%" sign ^
+  /as ^
   /f "%CERTFILE%" ^
   /p "%CERTPASS%" ^
-  /t http://timestamp.vichingo455.freeddns.org ^
+  /tr http://timestamp.vichingo455.freeddns.org ^
+  /td sha256 ^
   /fd sha256 ^
   /d "%SUBJECT%" ^
   "%FILE%"