You create a burst of thunderous sound that can be heard up to 300 feet away. Each creature within range, other than you, must succeed on a Constitution saving throw or take 1d6 thunder damage and be pushed 5 feet away from you.

Cantrip Scaling. The spell's damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).