diff --git a/SPECS/sendmail.spec b/SPECS/sendmail.spec
index 375cd35..8902a45 100644
--- a/SPECS/sendmail.spec
+++ b/SPECS/sendmail.spec
@@ -33,7 +33,7 @@ Release: 10%{?dist}
 License: Sendmail
 URL: http://www.sendmail.org/
 
-Source0: ftp://ftp.sendmail.org/pub/sendmail/sendmail.%{version}.tar.gz
+Source0: https://ftp.sendmail.org/sendmail.%{version}.tar.gz
 # Systemd Service file
 Source1: sendmail.service
 # NetworkManager dispatch script