This article contains spoilers from One Piece's Elbaf Arc ... logic would dictate that he receive a new bounty. Quick! Stop the production of this bounty poster! – Gorosei As things stand ...

Luffy's bounty may rise after Elbaf, possibly to cross the 4 billion berry mark. Luffy will likely gain higher bounties as he goes on to find the One Piece and challenge the World Government.