# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-03-31 19:07:40 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/53533940304187393) @ginatrapani Gina, will ThinkUp work with MySql 4? My host give me the choice of 4 or 5 but suggests 4. Can't find requirements page. Thanks