Kali linux repo id.docs.kali.org

gedit /etc/apt/sources.list

deb http://old.kali.org/kali sana main non-free contrib deb-src http://old.kali.org/kali sana main non-free contrib deb http://http.kali.org/kali kali-rolling main contrib non-free deb-src http://http.kali.org/kali kali-rolling main contrib non-free

sudo apt-get update sudo apt-get upgrade -y