At the 2015 Grand Prix Berlin, Rivkin finished 4th in all-around with a total of 71.350 points. She qualified to 3 event finals and won silver in ball. On June 15–21, Rivkin competed at the inaugural 2015 European Games where she finished 10th in the all-around, she qualified to 3 event finals: taking bronze in hoop, finished 5th in ball and 6th in ribbon. In August, Rivkin competed at the 2015 Budapest World Cup finishing 14th in all-around, she qualified to 1 event final, finishing 7th in hoop. In her next competition at the 2015 Sofia World Cup, Rivkin then finished 10th in the all-around behind Katsiaryna Halkina of Belarus. She qualified to 2 apparatus finals finishing 8th in hoop and clubs. At the 2015 World Cup series in Kazan, Rivkin finished 7th in the all-around and qualified apparatus finals in hoop, clubs. On September 9–13, Rivkin (together with teammates Victoria Veinberg Filanovsky and Linoy Ashram) competed at the 2015 World Championships in Stuttgart, with Team Israel finishing 4th. She qualified to 2 apparatus finals finishing 8th in Hoop and 6th in Ball. Rivkin also qualified to the all-around finals finishing in 7th place with a total of 70.974 points.