{
    "name": "chartblocks/php-rest-sdk",
    "description": "ChartBlocks SDK",
    "homepage": "http://www.chartblocks.com",
    "license": "MIT",
    "require": {
        "php": ">=5.4",
        "guzzle/http": ">=3.6.0,<3.8"
    },
    "require-dev": {
        "phpunit/phpunit": "4.3.*"
    },
    "autoload": {
        "psr-0": {
            "ChartBlocks\\": "src/"
        }
    }
}

{
    "name": "chartblocks/php-rest-sdk",
    "description": "ChartBlocks SDK",
    "homepage": "http://www.chartblocks.com",
    "license": "MIT",
    "require": {
        "php": ">=5.4",
        "guzzle/http": ">=3.6.0,<4"
    },
    "require-dev": {
        "phpunit/phpunit": "4.3.*"
    },
    "autoload": {
        "psr-0": {
            "ChartBlocks\\": "src/"
        }
    }
}

Use guzzle up to v4
Use guzzle up to v4
