Managing Flex, extra.symfony.require & Version Constraints > Upgrading & What's New in Symfony 5! | SymfonyCasts
![Composer: Your requirements could not be resolved to an installable set of packages | by Salifyanji Taala | Nov, 2023 | Medium Composer: Your requirements could not be resolved to an installable set of packages | by Salifyanji Taala | Nov, 2023 | Medium](https://miro.medium.com/v2/resize:fit:1400/1*8kxyIwI6B8lhbq5RJROpJQ.jpeg)
Composer: Your requirements could not be resolved to an installable set of packages | by Salifyanji Taala | Nov, 2023 | Medium
![php - Unable to download & install Laravel 5 with composer. Error: HTTP request failed - Stack Overflow php - Unable to download & install Laravel 5 with composer. Error: HTTP request failed - Stack Overflow](https://i.stack.imgur.com/OFig1.jpg)
php - Unable to download & install Laravel 5 with composer. Error: HTTP request failed - Stack Overflow
![Developer Quick Tips: Updating Modules Using "composer update" vs "composer require" | Hook 42 SF Bay Area Drupal Experts and WordPress Experts Developer Quick Tips: Updating Modules Using "composer update" vs "composer require" | Hook 42 SF Bay Area Drupal Experts and WordPress Experts](https://www.hook42.com/sites/default/files/styles/project_main_hero_image_700_w_/public/2019-07/composer-sample.png?itok=GT77Uo9G)