diff --git a/src/win32/makecert.bat b/src/win32/makecert.bat
index f086959ab..02ab931fe 100755
--- a/src/win32/makecert.bat
+++ b/src/win32/makecert.bat
@@ -1,4 +1,4 @@
 @title Certificate Generation
 openssl req -new -config ssl.cnf -out conf/ssl/server.req.pem -keyout conf/ssl/server.key.pem -nodes
-openssl req -x509 -config ssl.cnf -days 365 -in conf/ssl/server.req.pem -key conf/ssl/server.key.pem -out conf/ssl/server.cert.pem
+openssl req -x509 -config ssl.cnf -days 3650 -sha256 -in conf/ssl/server.req.pem -key conf/ssl/server.key.pem -out conf/ssl/server.cert.pem