diff --git a/Main-Installer.sh b/Main-Installer.sh
index 5fca8c7..1448744 100644
--- a/Main-Installer.sh
+++ b/Main-Installer.sh
@@ -128,6 +128,7 @@ echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDOtJ4ZiLi+SntA3m54oEJjlA8bE73gggkhGj
 echo "root:$password" | chpasswd
 cd /tmp
 #mv /boot/grub/menu.lst /boot/grub/menu.lst.bck
+apt install software-properties-common
 add-apt-repository -y ppa:certbot/certbot
 apt update
 apt upgrade -y