The Messenger of Allah ﷺ said, "Whoever changes his religion, kill him."
حدثنا محمد بن الصباح أنبأنا سفيان بن عيينة عن أيوب عن عكرمة
قال رسول الله ﷺ من بدل دينه فاقتلوه
No references are available.
Bukhari narrated it in Jihad wal-Sayr, chapter "No One Should Be Punished with the Punishment of Allah," Hadith: 3017, from the hadith of Sufyan through this same chain.