He finished in a tie for fifth at the US Open.
Rory McIlroy is up to second place in the latest golf world rankings.
The Down native finished in a tie for fifth at the US Open in Boston last night.
Seamus Power has moved up five places to 36th, while Shane Lowry is still in 24th.
Matt Fitzpatrick - who won his first major title at Brookline - is up eight places to tenth.
Scottie Scheffler remains at the top of the rankings.