On 4 December 2020, Pembélé extended his contract with PSG to 2024.[7] He made his UEFA Champions League debut five days later, coming on as a substitute for Alessandro Florenzi in a 5–1 win against İstanbul Başakşehir.[8] Pembélé’s first goal for Paris Saint-Germain came in a 4–0 victory over Strasbourg on 23 December 2020.[9]