My MAMP PRO 5.1 will not update MAMP GmbH January 29, 2019 13:46 Updated Follow This is a known problem. Please download the installation package for version 5.2 from our website. In the future, you should be able to update through the app. Related articles My Apache Server will not start? Does MAMP PRO 5 run on Mac OS Catalina beta? My phpMyAdmin does not work. I cannot update my MAMP PRO 5.0.4, 5.1, 5.1.1 My intl extension is missing.