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 I cannot update my MAMP PRO 5.0.4, 5.1, 5.1.1 Is timeEdition subscription based? I want to revert back to MAMP PRO 4.5. Apache will not start on MAMP 3.2 ? Which PHP modules are included?