{
    "name": "league/csv",
    "type": "library",
    "description" : "Csv data manipulation made easy in PHP 5.4+",
    "keywords": ["csv", "import", "export", "read", "write", "filter"],
    "license": "MIT",
    "authors": [
        {
            "name" : "Ignace Nyamagana Butera",
            "email" : "nyamsprod@gmail.com",
            "homepage" : "https://github.com/nyamsprod/",
            "role" : "Developer"
        }
    ],
    "require": {
        "php" : ">=5.4.0",
        "ext-mbstring" : "*"
    },
    "autoload": {
        "psr-4": {
            "League\\Csv\\": "src",
            "League\\CSv\\": "test"
        }
    },
    "replace": {
        "bakame/csv": "*"
    }
}

{
    "name": "league/csv",
    "type": "library",
    "description" : "Csv data manipulation made easy in PHP 5.4+",
    "keywords": ["csv", "import", "export", "read", "write", "filter"],
    "license": "MIT",
    "authors": [
        {
            "name" : "Ignace Nyamagana Butera",
            "email" : "nyamsprod@gmail.com",
            "homepage" : "https://github.com/nyamsprod/",
            "role" : "Developer"
        }
    ],
    "require": {
        "php" : ">=5.4.0",
        "ext-mbstring" : "*"
    },
    "require-dev": {
        "phpunit/phpunit" : "4.0.*"
    },    
    "autoload": {
        "psr-4": {
            "League\\Csv\\": "src",
            "League\\CSv\\": "test"
        }
    },
    "replace": {
        "bakame/csv": "*"
    }
}

Add PHPUnit 4.0.* to require-dev
Add PHPUnit 4.0.* to require-dev