On the autherity of Ayesha (RA), she said, The Messenger of Allah (ﷺ) supplicate like this:
اَللَّهُمَّ اجْعَلْ أَوْسَعَ رِزْقِكَ عَلَيَّ عِنْدَ كِبَرِ سِنِّيْ وَانْقِطَاعِ عُمُرِيْ
Pronunciation
Allaahummaj-‘al awsa’a rizqika ‘alayya ‘inda kibari sinni wan-qitaa’i ‘umuri
Meaning
O Allah, make my sustenance the most plentiful in my old age and during the last days of my life.
Source: Sahih (Suyuti). Jami' as-Sagir: 1485
Duas from IslamicAPI's Masnun Dua dataset (based on the Quran, hadith, Hisnul Muslim and Rahe Belayat). See the dataset