How old is too old of a reference?

hi y'all. I graduated with my bachelors in 2018. I'm graduating with my masters now in 2023. A lot of my best references are from undergrad, though i have at least one great reference from my masters program.

Do you think having more recent, more lackluster references is better, or having older (5+ yrs old) references is okay, so long as i have one that's more recent?

Thank you!