diff --git a/composer.json b/composer.json
index 2a15c0d..77c19c6 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "ext-simplexml": "*",
         "psr/cache": "^1.0",
         "psr/http-client": "^1.0",
-        "psr/http-message": "^1.0"
+        "psr/http-factory": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0.5",
diff --git a/composer.lock b/composer.lock
index 1aa3cc0..d54e81b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "c51f56d1819daf5d569953d7aa8ab1b5",
+    "content-hash": "464e9d31b6624c4b51f6122fe9cdc6d5",
     "packages": [
         {
             "name": "psr/cache",
@@ -101,6 +101,61 @@
             ],
             "time": "2018-10-30T23:29:13+00:00"
         },
+        {
+            "name": "psr/http-factory",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-factory.git",
+                "reference": "12ac7fcd07e5b077433f5f2bee95b3a771bf61be"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-factory/zipball/12ac7fcd07e5b077433f5f2bee95b3a771bf61be",
+                "reference": "12ac7fcd07e5b077433f5f2bee95b3a771bf61be",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.0.0",
+                "psr/http-message": "^1.0"
+            },
+            "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 interfaces for PSR-7 HTTP message factories",
+            "keywords": [
+                "factory",
+                "http",
+                "message",
+                "psr",
+                "psr-17",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/http-factory/tree/master"
+            },
+            "time": "2019-04-30T12:38:16+00:00"
+        },
         {
             "name": "psr/http-message",
             "version": "1.0.1",
@@ -1369,6 +1424,7 @@
             "keywords": [
                 "tokenizer"
             ],
+            "abandoned": true,
             "time": "2017-11-27T05:48:46+00:00"
         },
         {
@@ -1513,58 +1569,6 @@
             "abandoned": true,
             "time": "2017-06-30T09:13:00+00:00"
         },
-        {
-            "name": "psr/http-factory",
-            "version": "1.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-factory.git",
-                "reference": "12ac7fcd07e5b077433f5f2bee95b3a771bf61be"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-factory/zipball/12ac7fcd07e5b077433f5f2bee95b3a771bf61be",
-                "reference": "12ac7fcd07e5b077433f5f2bee95b3a771bf61be",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.0.0",
-                "psr/http-message": "^1.0"
-            },
-            "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 interfaces for PSR-7 HTTP message factories",
-            "keywords": [
-                "factory",
-                "http",
-                "message",
-                "psr",
-                "psr-17",
-                "psr-7",
-                "request",
-                "response"
-            ],
-            "time": "2019-04-30T12:38:16+00:00"
-        },
         {
             "name": "psr/log",
             "version": "1.1.0",
@@ -2335,12 +2339,12 @@
             "version": "1.4.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/webmozart/assert.git",
+                "url": "https://github.com/webmozarts/assert.git",
                 "reference": "83e253c8e0be5b0257b881e1827274667c5c17a9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/83e253c8e0be5b0257b881e1827274667c5c17a9",
+                "url": "https://api.github.com/repos/webmozarts/assert/zipball/83e253c8e0be5b0257b881e1827274667c5c17a9",
                 "reference": "83e253c8e0be5b0257b881e1827274667c5c17a9",
                 "shasum": ""
             },
@@ -2393,5 +2397,6 @@
         "ext-libxml": "*",
         "ext-simplexml": "*"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }