It was narrated that Abu Hurairah, Zaid bin Khalid and Shibl said:
"We were with the Prophet (ﷺ) and a man asked him about a slave woman who commits fornication (again), whip her, even if that is for a rope of hair.' " (ES)
English reference (ES): Vol. 3, Book 20, Hadith 2565 (ES)
Arabic reference (ES): Book 20, Hadith 2662 (ES)