Do ypu have to re-do wuduh if you have a small cut and bleeded a lil bit?

okay so i got a lil cut cuz i was trying to pick the computer and i had just an hour earlier done wuduh to pray and was going to keep it until the next prayer but i got a cut and so im wonder if i have to re-do it. and i need proof dont just putt an answer thx a salamolai koum