$ composer require friendsofsymfony/user-bundle "~1.3"
./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
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.7
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.6
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.5
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.4
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.3
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.2
    - Conclusion: don‘t install friendsofsymfony/user-bundle v1.3.1
    - Conclusion: remove symfony/symfony v3.2.7
    - Installation request for friendsofsymfony/user-bundle ~1.3 -> satisfiable by friendsofsymfony/user-bundle[v1.3.0, v1.3.1, v1.3.2, v1
    - Conclusion: don‘t install symfony/symfony v3.2.7
    - friendsofsymfony/user-bundle v1.3.0 requires symfony/security-bundle 2.1.* -> satisfiable by symfony/security-bundle[v2.1.0, v2.1.1,
2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9].
    - don‘t install symfony/security-bundle v2.1.0|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.1|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.10|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.11|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.12|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.13|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.2|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.3|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.4|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.5|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.6|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.7|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.8|don‘t install symfony/symfony v3.2.7
    - don‘t install symfony/security-bundle v2.1.9|don‘t install symfony/symfony v3.2.7
    - Installation request for symfony/symfony (locked at v3.2.7, required as 3.2.*) -> satisfiable by symfony/symfony[v3.2.7].


Installation failed, reverting ./composer.json to its original content.

  composer require friendsofsymfony/user-bundle "~2.0@dev"
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Installing friendsofsymfony/user-bundle (dev-master 0e41213) Cloning 0e412131e5
Writing lock file
Generating autoload files
> Incenteev\ParameterHandler\ScriptHandler::buildParameters
Updating the "app/config/parameters.yml" file
> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::buildBootstrap
> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache

 // Clearing the cache for the dev environment with debug true

 [OK] Cache for the "dev" environment (debug=true) was successfully cleared.

> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::installAssets

 Trying to install assets as relative symbolic links.

 -- -------- ----------------
     Bundle   Method / Error
 -- -------- ----------------

 [OK] All assets were successfully installed.

> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::installRequirementsFile
> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::prepareDeploymentTarget