diff --git a/ncac/setup.sh b/ncac/setup.sh
index 33e0d3f..6c535fc 100644
--- a/ncac/setup.sh
+++ b/ncac/setup.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 setenforce 0
+sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
+sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo
+sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo
 sed -i 's#SELINUX=enforcing#SELINUX=disabled#' /etc/selinux/config
 rpm -i package/mysql57-community-release-el7-9.noarch.rpm
 rm -f /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql