{
    "name": "franzl/studio",
    "description": "Develop your Composer libraries with style",
    "keywords": ["composer", "development", "workflow"],
    "type": "composer-plugin",
    "license": "MIT",
    "autoload": {
        "psr-4": {
            "Studio\\": "src"
        }
    },
    "require": {
        "php": ">=7.0",
        "composer-plugin-api": "^1.0",
        "symfony/console": "^2.7 || ^3.0 || ^4.0 || ^5.0",
        "symfony/filesystem": "^2.5 || ^3.0 || ^4.0 || ^5.0",
        "symfony/process": "^2.5 || ^3.0 || ^4.0 || ^5.0"
    },
    "require-dev": {
        "composer/composer": "dev-master",
        "phpspec/phpspec": "~2.3"
    },
    "replace": {
        "franzliedke/studio": "self.version"
    },
    "extra": {
        "branch-alias": {
            "dev-master": "0.11.x-dev"
        },
        "class": "Studio\\Composer\\StudioPlugin"
    },
    "bin": ["bin/studio"],
    "scripts": {
        "test": "phpspec run"
    }
}

{
    "name": "franzl/studio",
    "description": "Develop your Composer libraries with style",
    "keywords": ["composer", "development", "workflow"],
    "type": "composer-plugin",
    "license": "MIT",
    "autoload": {
        "psr-4": {
            "Studio\\": "src"
        }
    },
    "require": {
        "php": ">=7.0",
        "composer-plugin-api": "^1.0",
        "symfony/console": "^2.7 || ^3.0 || ^4.0 || ^5.0",
        "symfony/filesystem": "^2.5 || ^3.0 || ^4.0 || ^5.0",
        "symfony/process": "^2.5 || ^3.0 || ^4.0 || ^5.0"
    },
    "require-dev": {
        "composer/composer": "1.10.x-dev",
        "phpspec/phpspec": "^6.1"
    },
    "replace": {
        "franzliedke/studio": "self.version"
    },
    "extra": {
        "branch-alias": {
            "dev-master": "0.11.x-dev"
        },
        "class": "Studio\\Composer\\StudioPlugin"
    },
    "bin": ["bin/studio"],
    "scripts": {
        "test": "phpspec run"
    }
}

Use correct (and up-to-date) versions in require-dev
Use correct (and up-to-date) versions in require-dev
