Al-Hajj 22:7

وَأَنَّ ٱلسَّاعَةَ ءَاتِيَةࣱ لَّا رَيۡبَ فِيهَا وَأَنَّ ٱللَّهَ يَبۡعَثُ مَن فِي ٱلۡقُبُورِ۝٧

7. And [that they may know] that the Hour is coming - no doubt about it - and that Allah will resurrect those in the graves