´It was narrated from Ibn ‘Abbas that Aqra’ bin Habis asked the Prophet (ﷺ):` “O Messenger of Allah, is Hajj (required) every year, or just once” He said: “Rather it is just once. And whoever can perform Hajj voluntarily, let him do so.”
Hadith Referenceسنن ابن ماجه / كتاب المناسك / 2886