Sunan an Nasai
5661
Sahih+2

It was narrated that Ibn 'Umar and a number of the Companions of Muhammad [SAW] said:"The Messenger of Allah [SAW] said: 'Whoever drinks Khamr, whip him; then if he drinks (again), whip him; then if he drinks (again), whip him; then if he drinks (again), kill him

SahihAbu Ghuddah
SahihAl-Albani