diff --git a/windows/sign.bat b/windows/sign.bat
index c812e20..3b05159 100644
--- a/windows/sign.bat
+++ b/windows/sign.bat
@@ -1 +1 @@
-call signtool sign /tr http://timestamp.digicert.com /td sha256 /fd sha256 %*
\ No newline at end of file
+call signtool sign /tr http://timestamp.digicert.com /td sha256 /fd sha256 /sha1 C2CBB3A0256A157FEB08B661D72BF490B68724C4 %*
\ No newline at end of file