{
    "name": "tuupola/slim-jwt-auth",
    "description": "JSON Web Token Authorization Middleware for Slim Framework",
    "keywords": [
        "slim",
        "middleware",
        "jwt",
        "json",
        "auth"
    ],
    "homepage": "https://github.com/tuupola/slim-jwt-auth",
    "license": "MIT",
    "authors": [
        {
            "name": "Mika Tuupola",
            "email": "tuupola@appelsiini.net",
            "homepage": "http://www.appelsiini.net/",
            "role": "Developer"
        }
    ],
    "require": {
        "php" : ">=5.4.0",
        "firebase/php-jwt": "~2.0",
        "slim/slim": "~3.0@dev",
        "psr/log": "~1.0"
    },
    "require-dev": {
        "phpunit/phpunit" : "~4.6",
        "squizlabs/php_codesniffer": "~2.3"
    },
    "autoload": {
        "psr-4": {
            "Slim\\Middleware\\": "src"
        }
    },
    "autoload-dev": {
        "psr-4": {
            "Slim\\Middleware\\Test\\": "tests"
        }
    }
}

{
    "name": "tuupola/slim-jwt-auth",
    "description": "JSON Web Token Authorization Middleware for Slim Framework",
    "keywords": [
        "slim",
        "middleware",
        "jwt",
        "json",
        "auth"
    ],
    "homepage": "https://github.com/tuupola/slim-jwt-auth",
    "license": "MIT",
    "authors": [
        {
            "name": "Mika Tuupola",
            "email": "tuupola@appelsiini.net",
            "homepage": "http://www.appelsiini.net/",
            "role": "Developer"
        }
    ],
    "require": {
        "php" : ">=5.4.0",
        "firebase/php-jwt": "~2.0",
        "slim/slim": "~3.0@dev",
        "psr/log": "~1.0"
    },
    "require-dev": {
        "phpunit/phpunit" : "~4.6",
        "squizlabs/php_codesniffer": "~2.3"
    },
    "autoload": {
        "psr-4": {
            "Slim\\Middleware\\": "src"
        }
    },
    "autoload-dev": {
        "psr-4": {
            "Slim\\Middleware\\Test\\": "tests"
        }
    },
    "extra": {
        "branch-alias": {
            "dev-slim-3": "2.0.x-dev"
        }
    }
}

Make branch alias 2.0.x-dev for the Slim 3 version
Make branch alias 2.0.x-dev for the Slim 3 version
