{
    "name": "nelmio/solarium-bundle",
    "description": "Integration with solarium solr client.",
    "keywords": ["solr", "solarium", "search"],
    "type": "symfony-bundle",
    "license": "MIT",
    "authors": [
        {
            "name": "Nelmio",
            "homepage": "http://nelm.io"
        },
        {
            "name": "Symfony Community",
            "homepage": "https://github.com/nelmio/NelmioSolariumBundle/contributors"
        }
    ],
    "require": {
        "symfony/framework-bundle": "~2.1",
        "solarium/solarium": "~3.0"
    },
    "autoload": {
        "psr-0": { "Nelmio\\SolariumBundle": "" }
    },
    "target-dir": "Nelmio/SolariumBundle",
    "extra": {
        "branch-alias": {
            "dev-master": "2.0-dev"
        }
    }
}

{
    "name": "nelmio/solarium-bundle",
    "description": "Integration with solarium solr client.",
    "keywords": ["solr", "solarium", "search"],
    "type": "symfony-bundle",
    "license": "MIT",
    "authors": [
        {
            "name": "Nelmio",
            "homepage": "http://nelm.io"
        },
        {
            "name": "Symfony Community",
            "homepage": "https://github.com/nelmio/NelmioSolariumBundle/contributors"
        }
    ],
    "require": {
        "symfony/framework-bundle": "~2.1",
        "solarium/solarium": "~3.0"
    },
    "autoload": {
        "psr-4": { "Nelmio\\SolariumBundle\\": "" }
    },
    "extra": {
        "branch-alias": {
            "dev-master": "2.1-dev"
        }
    }
}

Update target release and use PSR-4
Update target release and use PSR-4