I tried, but he just won't take the job. He says he has analyzed the biographical information of all the people mentioned in the commit logs, and, I'm just quoting here, don't get mad, he says the codebase is cursed, and that there's no amount of money that'll tempt him to work on it.
Yes, of course I'll keep trying to find somebody to update the program so we can monetize that crap. We did too many ugly things to get ownership of that code, and I'm not going to stop now.