From Sahih Bukhari (Hadith 6744):
Narrated Al-Bara:The last Qur'anic Verse that was revealed (to the Prophet) was the final Verse of Surat-an-Nisa, i.e., 'They ask you for a legal verdict Say: Allah directs (thus) About those who leave No descendants or ascendants as heirs
Reference: Bukhari 6744