Recently met up with my childhood best friend again and her boyfriend is trying to get me to stop talking to her?

I’m a guy. I’ve recently started Uni and bumped into a childhood friend. She’s got a boyfriend now and he goes to the Uni. She introduced us, and afterwards he approached me privately and said that he doesn’t want the talking to her. I explained that I’m just trying to catch up with her but he wasn’t having it. What should it do? Should I mention it to my friend?
Recently met up with my childhood best friend again and her boyfriend is trying to get me to stop talking to her?
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