﴿ وَلَوْ أَنَّ أَهْلَ ٱلْكِتَٰبِ ءَامَنُوا۟ وَٱتَّقَوْا۟ لَكَفَّرْنَا عَنْهُمْ سَيِّـَٔاتِهِمْ وَلَأَدْخَلْنَٰهُمْ جَنَّٰتِ ٱلنَّعِيمِ ﴾

“If the followers of the Bible would but attain to [true] faith and God-consciousness, We should indeed efface their [previous] bad deeds, and indeed bring them into gardens of bliss;”

Please check ayah 5:66 for complete tafsir.