$ composer require "vlabs/media-bundle": ">=1.1"
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.
Problem 1
Installation request for vlabs/media-bundle > 1.1 -> satisfiable by vlabs/media-bundle[v1.1.1].
vlabs/media-bundle v1.1.1 requires knplabs/knp-gaufrette-bundle dev-master -> no matching package found.
Here is the result of the installation process:
$ composer require "vlabs/media-bundle": ">=1.1" ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.
Problem 1
Potential causes:
Read https://getcomposer.org/doc/articles/troubleshooting.md for further common problems.
Installation failed, reverting ./composer.json to its original content.