Musnad Abu Ya'la al-Mawsili 111:125

Zuhayr narrated to us, Abd al-Samad ibn Abd al-Warith narrated to us, Hammam narrated to us, Qatadah narrated to us, from Ikrimah, from Ibn Abbas, that the sister of Uqbah ibn Amir vowed to perform Hajj walking. She asked the Prophet, peace and blessings of Allah be upon him, and he said: "Indeed, Allah, the Mighty and Majestic, is in no need of your sister's vow. Let her ride and offer a sacrificial animal (badana)."