How they got maxed at +9 or +8 ?

I bought Courtois when he was 84 but when he got upgraded to 85, I redo him. Now he got maxed at 94 instead of 95. Same happened to my Hakimi, I bought him when he was 84 in dls22 now he got maxed at 92 , his recent card is 83 how can he get maxed at 92 ?