رَبَّنَا أَفْرِغْ عَلَيْنَا صَبْرًا وَتَوَفَّنَا مُسْلِمِينَ

Rabbanaaa afrigh 'alainaa sabran wa tawaffanaa muslimeen.

Our Lord, pour upon us patience and let us die as Muslims [in submission to You].

Reference: Surah Al-A'raf 7:126