{
    "name": "pdepend/pdepend",
    "description": "Official version of pdepend to be handled with Composer",
    "license": "BSD-3-Clause",
    "require": {
        "php": ">=5.3.7",
        "symfony/dependency-injection": "^2.3.0",
        "symfony/filesystem": "^2.3.0",
        "symfony/config": "^2.3.0"
    },
    "require-dev": {
        "phpunit/phpunit": "4.*@stable",
        "squizlabs/php_codesniffer": "@stable"
    },
    "bin": ["src/bin/pdepend"],
    "autoload": {
        "psr-0": {"PDepend\\": "src/main/php/"}
    }
}

{
    "name": "pdepend/pdepend",
    "description": "Official version of pdepend to be handled with Composer",
    "license": "BSD-3-Clause",
    "require": {
        "php": ">=5.3.7",
        "symfony/dependency-injection": "^2.3.0",
        "symfony/filesystem": "^2.3.0",
        "symfony/config": "^2.3.0"
    },
    "require-dev": {
        "phpunit/phpunit": "^4.0.0",
        "squizlabs/php_codesniffer": "@stable"
    },
    "bin": ["src/bin/pdepend"],
    "autoload": {
        "psr-0": {"PDepend\\": "src/main/php/"}
    }
}

Allow to use any phpunit 4.x release equal or greater 4.0.0
Allow to use any phpunit 4.x release equal or greater 4.0.0

Does not change much of the behavior but uses the new recommended caret operator
