diff --git a/so-setup-network.sh b/so-setup-network.sh
index 8070f1a6d..718ebd396 100644
--- a/so-setup-network.sh
+++ b/so-setup-network.sh
@@ -240,6 +240,7 @@ detect_os() {
   echo "Detecting Base OS"
   if [ -f /etc/redhat-release ]; then
     OS=centos
+    yum -y install bind-utils
   elif [ -f /etc/os-release ]; then
     OS=ubuntu
   else