{
    "name": "socialiteproviders/harvest",
    "description": "Harvest OAuth2 Provider for Laravel Socialite",
    "license": "MIT",
    "authors": [{
        "name": "Jason Jozwiak",
        "email": "jason.jozwiak@gmail.com"
    }],
    "require": {
        "php": "^5.6 || ^7.0",
        "socialiteproviders/manager": "^2.0"
    },
    "autoload": {
        "psr-4": {
            "SocialiteProviders\\Harvest\\": ""
        }
    }
}

{
    "name": "socialiteproviders/harvest",
    "description": "Harvest OAuth2 Provider for Laravel Socialite",
    "license": "MIT",
    "authors": [{
        "name": "Jason Jozwiak",
        "email": "jason.jozwiak@gmail.com"
    }],
    "require": {
        "php": "^5.6 || ^7.0",
        "socialiteproviders/manager": "^2.0" || "^3.0"
    },
    "autoload": {
        "psr-4": {
            "SocialiteProviders\\Harvest\\": ""
        }
    }
}

Update for compatibility with manager
Update for compatibility with manager

Latest version of "socialiteproviders/manager": "^3.3"

Error without this modification:
 - socialiteproviders/harvest v1.0.0 requires socialiteproviders/manager ^2.0 -> satisfiable by socialiteproviders/manager[2.0.x-dev].