Jābir reported: “During the two rakʿahs of ṭawāf, the Messenger of Allah (ﷺ) ﷺ recited the two suwar: Qul yā ayyuhal kāfirūn (Sūrat al-Kāfirūn), and Qul huwa Allāhu aḥad (Sūrat al-Ikhlāṣ).” Reference: Jami` at-Tirmidhi 869.