diff --git a/README.md b/README.md
index aec68a969..325158603 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ Quick setup
 0. Install the PHP SDK with [Composer](https://getcomposer.org/)
 
         php composer.phar require launchdarkly/launchdarkly-php
-        php composer.phar require "guzzlehttp/guzzle:5.*"
-        php composer.phar require "guzzlehttp/cache-subscriber:0.1.*"
+        php composer.phar require "guzzlehttp/guzzle:6.2.1"
+        php composer.phar require "kevinrob/guzzle-cache-middleware": "1.4.1"
 
 1. After installing, require Composer's autoloader:
 
@@ -49,8 +49,8 @@ Using Guzzle
 
 To use Guzzle it must be required as a dependency:
 
-  php composer.phar require "guzzlehttp/guzzle:5.*"
-  php composer.phar require "guzzlehttp/cache-subscriber:0.1.*"
+    php composer.phar require "guzzlehttp/guzzle:6.2.1"
+    php composer.phar require "kevinrob/guzzle-cache-middleware": "1.4.1"
 
 It will then be used as the default way of fetching flags.
 
diff --git a/VERSION b/VERSION
index bcaffe19b..afaf360d3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.7.0
\ No newline at end of file
+1.0.0
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 4f4d8af27..0329dee7e 100644
--- a/composer.json
+++ b/composer.json
@@ -17,17 +17,17 @@
         "php": ">=5.5"
     },
     "require-dev": {
+        "guzzlehttp/guzzle": "6.2.1",
+        "kevinrob/guzzle-cache-middleware": "1.4.1",
         "phpunit/phpunit": "4.8.26",
         "phpdocumentor/phpdocumentor": "2.*",
         "predis/predis": "1.0.*",
-        "guzzlehttp/guzzle": "5.*",
-        "guzzlehttp/cache-subscriber": "0.1.*",
         "zendframework/zend-serializer": "2.7.*"
     },
     "suggested": {
-        "predis/predis": "1.0.*",
-        "guzzlehttp/guzzle": "5.*",
-        "guzzlehttp/cache-subscriber": "0.1.*"
+        "guzzlehttp/guzzle": "6.2.1",
+        "kevinrob/guzzle-cache-middleware": "1.4.1",
+        "predis/predis": "1.0.*"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index e0b727b02..87ffb3aaf 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "0871703de19487d877517617eb99d4bd",
-    "content-hash": "b83833be7e74086c2399be31c969a806",
+    "hash": "cf5c4602f9f9aff086005edc75728d0f",
+    "content-hash": "f09e942238b22b8ef39b297cd1808ee6",
     "packages": [],
     "packages-dev": [
         {
@@ -221,76 +221,6 @@
             ],
             "time": "2015-08-31 12:32:49"
         },
-        {
-            "name": "doctrine/cache",
-            "version": "v1.6.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/doctrine/cache.git",
-                "reference": "f8af318d14bdb0eff0336795b428b547bd39ccb6"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/cache/zipball/f8af318d14bdb0eff0336795b428b547bd39ccb6",
-                "reference": "f8af318d14bdb0eff0336795b428b547bd39ccb6",
-                "shasum": ""
-            },
-            "require": {
-                "php": "~5.5|~7.0"
-            },
-            "conflict": {
-                "doctrine/common": ">2.2,<2.4"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.8|~5.0",
-                "predis/predis": "~1.0",
-                "satooshi/php-coveralls": "~0.6"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.6.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Doctrine\\Common\\Cache\\": "lib/Doctrine/Common/Cache"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Roman Borschel",
-                    "email": "roman@code-factory.org"
-                },
-                {
-                    "name": "Benjamin Eberlei",
-                    "email": "kontakt@beberlei.de"
-                },
-                {
-                    "name": "Guilherme Blanco",
-                    "email": "guilhermeblanco@gmail.com"
-                },
-                {
-                    "name": "Jonathan Wage",
-                    "email": "jonwage@gmail.com"
-                },
-                {
-                    "name": "Johannes Schmitt",
-                    "email": "schmittjoh@gmail.com"
-                }
-            ],
-            "description": "Caching library offering an object-oriented API for many cache backends",
-            "homepage": "http://www.doctrine-project.org",
-            "keywords": [
-                "cache",
-                "caching"
-            ],
-            "time": "2015-12-31 16:37:02"
-        },
         {
             "name": "doctrine/instantiator",
             "version": "1.0.5",
@@ -438,75 +368,24 @@
             ],
             "time": "2015-10-04 16:44:32"
         },
-        {
-            "name": "guzzlehttp/cache-subscriber",
-            "version": "0.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/guzzle/cache-subscriber.git",
-                "reference": "ecb903f6e11b5ca9f2cdbc460e2e68deea9e8858"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/cache-subscriber/zipball/ecb903f6e11b5ca9f2cdbc460e2e68deea9e8858",
-                "reference": "ecb903f6e11b5ca9f2cdbc460e2e68deea9e8858",
-                "shasum": ""
-            },
-            "require": {
-                "doctrine/cache": "~1.3",
-                "guzzlehttp/guzzle": "~5.0",
-                "php": ">=5.4.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "0.1-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "GuzzleHttp\\Subscriber\\Cache\\": "src"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Michael Dowling",
-                    "email": "mtdowling@gmail.com",
-                    "homepage": "https://github.com/mtdowling"
-                }
-            ],
-            "description": "Guzzle HTTP cache subscriber",
-            "homepage": "http://guzzlephp.org/",
-            "keywords": [
-                "Guzzle",
-                "cache"
-            ],
-            "time": "2014-10-29 21:06:25"
-        },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "5.3.0",
+            "version": "6.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "f3c8c22471cb55475105c14769644a49c3262b93"
+                "reference": "3f808fba627f2c5b69e2501217bf31af349c1427"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/f3c8c22471cb55475105c14769644a49c3262b93",
-                "reference": "f3c8c22471cb55475105c14769644a49c3262b93",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/3f808fba627f2c5b69e2501217bf31af349c1427",
+                "reference": "3f808fba627f2c5b69e2501217bf31af349c1427",
                 "shasum": ""
             },
             "require": {
-                "guzzlehttp/ringphp": "^1.1",
-                "php": ">=5.4.0"
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.3.1",
+                "php": ">=5.5"
             },
             "require-dev": {
                 "ext-curl": "*",
@@ -516,10 +395,13 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.0-dev"
+                    "dev-master": "6.2-dev"
                 }
             },
             "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
                 "psr-4": {
                     "GuzzleHttp\\": "src/"
                 }
@@ -535,7 +417,7 @@
                     "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Guzzle is a PHP HTTP client library and framework for building RESTful web service clients",
+            "description": "Guzzle is a PHP HTTP client library",
             "homepage": "http://guzzlephp.org/",
             "keywords": [
                 "client",
@@ -546,44 +428,41 @@
                 "rest",
                 "web service"
             ],
-            "time": "2015-05-20 03:47:55"
+            "time": "2016-07-15 17:22:37"
         },
         {
-            "name": "guzzlehttp/ringphp",
-            "version": "1.1.0",
+            "name": "guzzlehttp/promises",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/guzzle/RingPHP.git",
-                "reference": "dbbb91d7f6c191e5e405e900e3102ac7f261bc0b"
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "c10d860e2a9595f8883527fa0021c7da9e65f579"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/RingPHP/zipball/dbbb91d7f6c191e5e405e900e3102ac7f261bc0b",
-                "reference": "dbbb91d7f6c191e5e405e900e3102ac7f261bc0b",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/c10d860e2a9595f8883527fa0021c7da9e65f579",
+                "reference": "c10d860e2a9595f8883527fa0021c7da9e65f579",
                 "shasum": ""
             },
             "require": {
-                "guzzlehttp/streams": "~3.0",
-                "php": ">=5.4.0",
-                "react/promise": "~2.0"
+                "php": ">=5.5.0"
             },
             "require-dev": {
-                "ext-curl": "*",
                 "phpunit/phpunit": "~4.0"
             },
-            "suggest": {
-                "ext-curl": "Guzzle will use specific adapters if cURL is present"
-            },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.1-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "GuzzleHttp\\Ring\\": "src/"
-                }
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -596,25 +475,32 @@
                     "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Provides a simple API and specification that abstracts away the details of HTTP into a single PHP function.",
-            "time": "2015-05-20 03:37:09"
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-05-18 16:56:05"
         },
         {
-            "name": "guzzlehttp/streams",
-            "version": "3.0.0",
+            "name": "guzzlehttp/psr7",
+            "version": "1.3.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/guzzle/streams.git",
-                "reference": "47aaa48e27dae43d39fc1cea0ccf0d84ac1a2ba5"
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "5c6447c9df362e8f8093bda8f5d8873fe5c7f65b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/streams/zipball/47aaa48e27dae43d39fc1cea0ccf0d84ac1a2ba5",
-                "reference": "47aaa48e27dae43d39fc1cea0ccf0d84ac1a2ba5",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/5c6447c9df362e8f8093bda8f5d8873fe5c7f65b",
+                "reference": "5c6447c9df362e8f8093bda8f5d8873fe5c7f65b",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0"
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "~4.0"
@@ -622,13 +508,16 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "GuzzleHttp\\Stream\\": "src/"
-                }
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -641,13 +530,14 @@
                     "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Provides a simple abstraction over streams of data",
-            "homepage": "http://guzzlephp.org/",
+            "description": "PSR-7 message implementation",
             "keywords": [
-                "Guzzle",
-                "stream"
+                "http",
+                "message",
+                "stream",
+                "uri"
             ],
-            "time": "2014-10-12 19:18:40"
+            "time": "2016-06-24 23:00:38"
         },
         {
             "name": "herrera-io/json",
@@ -992,6 +882,84 @@
             ],
             "time": "2016-01-25 15:43:01"
         },
+        {
+            "name": "kevinrob/guzzle-cache-middleware",
+            "version": "v1.4.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Kevinrob/guzzle-cache-middleware.git",
+                "reference": "f30ded404c296d50820670489d718a04634b6789"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Kevinrob/guzzle-cache-middleware/zipball/f30ded404c296d50820670489d718a04634b6789",
+                "reference": "f30ded404c296d50820670489d718a04634b6789",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "cache/array-adapter": "^0.4",
+                "doctrine/cache": "^1.0",
+                "guzzlehttp/guzzle": "^6.0",
+                "illuminate/cache": "^5.0",
+                "league/flysystem": "^1.0",
+                "phpunit/phpunit": "^4.0 || ^5.0",
+                "psr/cache": "^1.0"
+            },
+            "suggest": {
+                "doctrine/cache": "This library have a lot of ready-to-use cache storage (to be use with Kevinrob\\GuzzleCache\\Storage\\DoctrineCacheStorage)",
+                "guzzlehttp/guzzle": "For using this library. It was created for Guzzle6. (but you can use it with any PSR-7 HTTP Client)",
+                "laravel/framework": "To be use with Kevinrob\\GuzzleCache\\Storage\\LaravelCacheStorage",
+                "league/flysystem": "To be use with Kevinrob\\GuzzleCache\\Storage\\FlysystemStorage",
+                "psr/cache": "To be use with Kevinrob\\GuzzleCache\\Storage\\Psr6CacheStorage"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Kevinrob\\GuzzleCache\\": [
+                        "src/",
+                        "tests/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Kevin Robatel",
+                    "email": "kevinrob2@gmail.com",
+                    "homepage": "https://github.com/Kevinrob"
+                }
+            ],
+            "description": "A HTTP/1.1 Cache for Guzzle 6. It's a simple Middleware to be added in the HandlerStack. (RFC 7234)",
+            "homepage": "https://github.com/Kevinrob/guzzle-cache-middleware",
+            "keywords": [
+                "Etag",
+                "Flysystem",
+                "Guzzle",
+                "cache",
+                "cache-control",
+                "doctrine",
+                "expiration",
+                "guzzle6",
+                "handler",
+                "http",
+                "http 1.1",
+                "middleware",
+                "performance",
+                "php",
+                "promise",
+                "psr6",
+                "psr7",
+                "rfc7234",
+                "validation"
+            ],
+            "time": "2016-06-17 08:34:36"
+        },
         {
             "name": "kherge/version",
             "version": "1.0.1",
@@ -2063,23 +2031,31 @@
             "time": "2016-05-30 15:25:52"
         },
         {
-            "name": "psr/log",
-            "version": "1.0.0",
+            "name": "psr/http-message",
+            "version": "1.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/php-fig/log.git",
-                "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b"
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "85d63699f0dbedb190bbd4b0d2b9dc707ea4c298"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/fe0936ee26643249e916849d48e3a51d5f5e278b",
-                "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/85d63699f0dbedb190bbd4b0d2b9dc707ea4c298",
+                "reference": "85d63699f0dbedb190bbd4b0d2b9dc707ea4c298",
                 "shasum": ""
             },
+            "require": {
+                "php": ">=5.3.0"
+            },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
             "autoload": {
-                "psr-0": {
-                    "Psr\\Log\\": ""
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -2092,44 +2068,36 @@
                     "homepage": "http://www.php-fig.org/"
                 }
             ],
-            "description": "Common interface for logging libraries",
+            "description": "Common interface for HTTP messages",
             "keywords": [
-                "log",
+                "http",
+                "http-message",
                 "psr",
-                "psr-3"
+                "psr-7",
+                "request",
+                "response"
             ],
-            "time": "2012-12-21 11:40:51"
+            "time": "2015-05-04 20:22:00"
         },
         {
-            "name": "react/promise",
-            "version": "v2.4.1",
+            "name": "psr/log",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/reactphp/promise.git",
-                "reference": "8025426794f1944de806618671d4fa476dc7626f"
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/promise/zipball/8025426794f1944de806618671d4fa476dc7626f",
-                "reference": "8025426794f1944de806618671d4fa476dc7626f",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/fe0936ee26643249e916849d48e3a51d5f5e278b",
+                "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b",
                 "shasum": ""
             },
-            "require": {
-                "php": ">=5.4.0"
-            },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "2.0-dev"
-                }
-            },
             "autoload": {
-                "psr-4": {
-                    "React\\Promise\\": "src/"
-                },
-                "files": [
-                    "src/functions_include.php"
-                ]
+                "psr-0": {
+                    "Psr\\Log\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -2137,12 +2105,17 @@
             ],
             "authors": [
                 {
-                    "name": "Jan Sorgalla",
-                    "email": "jsorgalla@gmail.com"
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
                 }
             ],
-            "description": "A lightweight implementation of CommonJS Promises/A for PHP",
-            "time": "2016-05-03 17:50:52"
+            "description": "Common interface for logging libraries",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
+            ],
+            "time": "2012-12-21 11:40:51"
         },
         {
             "name": "sebastian/comparator",
diff --git a/src/LaunchDarkly/GuzzleFeatureRequester.php b/src/LaunchDarkly/GuzzleFeatureRequester.php
index b8a144afe..a53385e67 100644
--- a/src/LaunchDarkly/GuzzleFeatureRequester.php
+++ b/src/LaunchDarkly/GuzzleFeatureRequester.php
@@ -2,36 +2,34 @@
 namespace LaunchDarkly;
 
 use GuzzleHttp\Client;
-use \GuzzleHttp\Exception\BadResponseException;
-use \GuzzleHttp\Subscriber\Cache\CacheSubscriber;
-
-class GuzzleFeatureRequester implements FeatureRequester {
+use GuzzleHttp\Exception\BadResponseException;
+use GuzzleHttp\HandlerStack;
+use Kevinrob\GuzzleCache\CacheMiddleware;
+use Kevinrob\GuzzleCache\Strategy\PublicCacheStrategy;
 
+class GuzzleFeatureRequester implements FeatureRequester
+{
     private $_client;
-
-    function __construct($baseUri, $apiKey, $options) {
-        $this->_client = new Client(array(
-                                        'base_url' => $baseUri,
-                                        'defaults' => array(
-                                            'headers' => array(
-                                                'Authorization' => "api_key {$apiKey}",
-                                                'Content-Type' => 'application/json',
-                                                'User-Agent' => 'PHPClient/' . LDClient::VERSION
-                                            ),
-                                            'debug' => false,
-                                            'timeout' => $options['timeout'],
-                                            'connect_timeout' => $options['connect_timeout']
-                                        )
-                                    ));
-
-        if (!isset($options['cache_storage'])) {
-            $csOptions = array('validate' => false);
-        }
-        else {
-            $csOptions = array('storage' => $options['cache_storage'], 'validate' => false);
-        }
-
-        CacheSubscriber::attach($this->_client, $csOptions);
+    private $_baseUri;
+    private $_defaults;
+
+    function __construct($baseUri, $apiKey, $options)
+    {
+        $this->_baseUri = $baseUri;
+        error_log("uri: $baseUri");
+        $stack = HandlerStack::create();
+        $stack->push(new CacheMiddleware(new PublicCacheStrategy(isset($options['cache']) ? $options['cache'] : null), 'cache'));
+
+        $this->_defaults = array(
+            'headers' => array(
+                'Authorization' => "api_key {$apiKey}",
+                'Content-Type' => 'application/json',
+                'User-Agent' => 'PHPClient/' . LDClient::VERSION
+            ),
+            'timeout' => $options['timeout'],
+            'connect_timeout' => $options['connect_timeout']
+        );
+        $this->_client = new Client(['handler' => $stack, 'debug' => false]);
     }
 
 
@@ -41,10 +39,13 @@ function __construct($baseUri, $apiKey, $options) {
      * @param $key string feature key
      * @return array|null The decoded JSON feature data, or null if missing
      */
-    public function get($key) {
+    public function get($key)
+    {
         try {
-            $response = $this->_client->get("/api/eval/features/$key");
-            return $response->json();
+            $uri = $this->_baseUri . "/api/eval/features/$key";
+            $response = $this->_client->get($uri, $this->_defaults);
+            $body = $response->getBody();
+            return json_decode($body, true);
         } catch (BadResponseException $e) {
             $code = $e->getResponse()->getStatusCode();
             error_log("GuzzleFeatureRetriever::get received an unexpected HTTP status code $code");
diff --git a/src/LaunchDarkly/LDClient.php b/src/LaunchDarkly/LDClient.php
index d93491361..6b38f25f6 100644
--- a/src/LaunchDarkly/LDClient.php
+++ b/src/LaunchDarkly/LDClient.php
@@ -8,7 +8,7 @@
  */
 class LDClient {
     const DEFAULT_BASE_URI = 'https://app.launchdarkly.com';
-    const VERSION = '0.7.0';
+    const VERSION = '1.0.0';
 
     protected $_apiKey;
     protected $_baseUri;
@@ -29,7 +29,7 @@ class LDClient {
      *     - base_uri: Base URI of the LaunchDarkly API. Defaults to `DEFAULT_BASE_URI`
      *     - timeout: Float describing the maximum length of a request in seconds. Defaults to 3
      *     - connect_timeout: Float describing the number of seconds to wait while trying to connect to a server. Defaults to 3
-     *     - cache_storage: An optional GuzzleHttp\Subscriber\Cache\CacheStorageInterface. Defaults to an in-memory cache.
+     *     - cache: An optional Kevinrob\GuzzleCache\Strategy\CacheStorageInterface. Defaults to an in-memory cache.
      */
     public function __construct($apiKey, $options = array()) {
         $this->_apiKey = $apiKey;