AWS Solutions Architect 2018 Course > Still OK for the latest 2021 Certification ?

Hello Cloud Gurus ! I bought old 2018 course back then and recently started prepating for the AWS Solutions Architect Exam . Was thinking if i need to upgrade again to the new course here 2021 or 2018 should be ok ? Have already completed about 80% of the course and my exam scheduled in 2 weeks ! Cheers and Many Thaks !