حَدَّثَنَا أَبُو الْوَلِيدِ، حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي إِسْحَاقَ، قَالَ سَمِعْتُ الْبَرَاءَ ـ رضى الله عنه ـ يَقُولُ آخِرُ آيَةٍ نَزَلَتْ ‏ End hadith 6‏ وَآخِرُ سُورَةٍ نَزَلَتْ بَرَاءَةٌ‏.‏

Narrated Al-Bara: The last Verse that was revealed was: 'They ask you for a legal verdict: Say: Allah directs (thus) about Al-Kalalah (those who leave no descendants or ascendants as heirs).' And the last Sura which was revealed was Baraatun (9) . Translation Not Available

Book Ref: Sahih Bukhari Book 65 Hadith 4654
Web Ref:  Sahih Bukhari Vol 6 Book 60 Hadith 177

---