After a three-year hiatus from international competition, Dumont made his debut for Les Bleus. His first appearance for France came in a test series against Wales in Paris.[4]
The year following his debut, Dumont became a regular inclusion in the national squad. He appeared in a number of test–series' and competitions, culminating with an appearance at the 2018 FIH World Cup in Bhubaneswar, where the team finished eighth.[6]