diff --git a/composer.json b/composer.json
index a3ad65f..73ab626 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,9 @@
     "description": "WordPress integration plugin for ASMP",
     "type": "wordpress-plugin",
     "license": "MIT",
-    "require": {},
+    "require": {
+        "application-server-management-protocol/php-client": "dev-master"
+    },
     "require-dev": {
         "phpunit/phpunit": "^6"
     },
@@ -16,5 +18,6 @@
         "psr-4": {
             "ASMP\\WordPressIntegration\\Tests\\": "tests/php/"
         }
-    }
+    },
+    "minimum-stability": "dev"
 }
diff --git a/composer.lock b/composer.lock
index 2c11bfa..0cec7f6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,327 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
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-    "packages": [],
+    "content-hash": "5a29c2f5a29d39d26f5dee4c01f42b4a",
+    "packages": [
+        {
+            "name": "application-server-management-protocol/php-client",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/application-server-management-protocol/php-client.git",
+                "reference": "61f6af846db7a10d51da42576e2f808fb4bd12bd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/application-server-management-protocol/php-client/zipball/61f6af846db7a10d51da42576e2f808fb4bd12bd",
+                "reference": "61f6af846db7a10d51da42576e2f808fb4bd12bd",
+                "shasum": ""
+            },
+            "require": {
+                "ext-curl": "*",
+                "ext-json": "*",
+                "ext-mbstring": "*",
+                "guzzlehttp/guzzle": "^6.2",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "friendsofphp/php-cs-fixer": "^2.14",
+                "phpunit/phpunit": "^4.8",
+                "squizlabs/php_codesniffer": "~2.6"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ASMP\\Client\\": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHP client library for ASMP",
+            "homepage": "https://www.alainschlesser.com/asmp",
+            "time": "2019-03-24T13:54:31+00:00"
+        },
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+            "version": "dev-master",
+            "source": {
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+                "url": "https://github.com/guzzle/guzzle.git",
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+                "reference": "fa745406c2f48210693ba05f11280a1473037b2f",
+                "shasum": ""
+            },
+            "require": {
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+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.4",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "ext-curl": "*",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
+                "psr/log": "^1.1"
+            },
+            "suggest": {
+                "psr/log": "Required for using the Log middleware"
+            },
+            "type": "library",
+            "extra": {
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+                    "dev-master": "6.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
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+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "rest",
+                "web service"
+            ],
+            "time": "2019-02-26T17:21:14+00:00"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "926eaa3ff73cde2becf652b785831bcb7618568a"
+            },
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+                "url": "https://api.github.com/repos/guzzle/promises/zipball/926eaa3ff73cde2becf652b785831bcb7618568a",
+                "reference": "926eaa3ff73cde2becf652b785831bcb7618568a",
+                "shasum": ""
+            },
+            "require": {
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+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.36"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2018-10-30T00:20:04+00:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "31ea59d632d3ac145300fffb2873a195172c0814"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/31ea59d632d3ac145300fffb2873a195172c0814",
+                "reference": "31ea59d632d3ac145300fffb2873a195172c0814",
+                "shasum": ""
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+            "require": {
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+                "psr/http-message": "~1.0",
+                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "ext-zlib": "*",
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.8"
+            },
+            "suggest": {
+                "zendframework/zend-httphandlerrunner": "Emit PSR-7 responses"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.5-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "PSR-7 message implementation that also provides common utility methods",
+            "keywords": [
+                "http",
+                "message",
+                "psr-7",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "time": "2019-02-20T09:29:56+00:00"
+        },
+        {
+            "name": "psr/http-message",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "shasum": ""
+            },
+            "require": {
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+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "time": "2016-08-06T14:39:51+00:00"
+        },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "time": "2019-03-08T08:55:37+00:00"
+        }
+    ],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
@@ -1531,8 +1850,10 @@
         }
     ],
     "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
+    "minimum-stability": "dev",
+    "stability-flags": {
+        "application-server-management-protocol/php-client": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],