diff --git a/tests/integration/composer.lock b/tests/integration/composer.lock
index fb188ed..0d86ddb 100644
--- a/tests/integration/composer.lock
+++ b/tests/integration/composer.lock
@@ -193,33 +193,33 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.0.1",
+            "version": "7.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "2d9d3c186a6637a43193e66b097c50e4451eaab2"
+                "reference": "7008573787b430c1c1f650e3722d9bba59967628"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/2d9d3c186a6637a43193e66b097c50e4451eaab2",
-                "reference": "2d9d3c186a6637a43193e66b097c50e4451eaab2",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/7008573787b430c1c1f650e3722d9bba59967628",
+                "reference": "7008573787b430c1c1f650e3722d9bba59967628",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
-                "guzzlehttp/promises": "^1.0",
-                "guzzlehttp/psr7": "^1.6.1",
-                "php": "^7.2.5",
+                "guzzlehttp/promises": "^1.4",
+                "guzzlehttp/psr7": "^1.7 || ^2.0",
+                "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0"
             },
             "provide": {
                 "psr/http-client-implementation": "1.0"
             },
             "require-dev": {
-                "ergebnis/composer-normalize": "^2.0",
+                "bamarni/composer-bin-plugin": "^1.4.1",
                 "ext-curl": "*",
-                "php-http/client-integration-tests": "dev-phpunit8",
-                "phpunit/phpunit": "^8.5.5",
+                "php-http/client-integration-tests": "^3.0",
+                "phpunit/phpunit": "^8.5.5 || ^9.3.5",
                 "psr/log": "^1.1"
             },
             "suggest": {
@@ -230,7 +230,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "7.0-dev"
+                    "dev-master": "7.3-dev"
                 }
             },
             "autoload": {
@@ -270,27 +270,45 @@
                 "rest",
                 "web service"
             ],
-            "time": "2020-06-27T10:33:25+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/Nyholm",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/alexeyshockov",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/gmponos",
+                    "type": "github"
+                }
+            ],
+            "time": "2021-03-23T11:33:13+00:00"
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "v1.3.1",
+            "version": "1.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
+                "reference": "8e7d04f1f6450fef59366c399cfad4b9383aa30d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
-                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/8e7d04f1f6450fef59366c399cfad4b9383aa30d",
+                "reference": "8e7d04f1f6450fef59366c399cfad4b9383aa30d",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.0"
+                "php": ">=5.5"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0"
+                "symfony/phpunit-bridge": "^4.4 || ^5.1"
             },
             "type": "library",
             "extra": {
@@ -321,20 +339,20 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-12-20T10:07:11+00:00"
+            "time": "2021-03-07T09:25:29+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.6.1",
+            "version": "1.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "239400de7a173fe9901b9ac7c06497751f00727a"
+                "reference": "35ea11d335fd638b5882ff1725228b3d35496ab1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/239400de7a173fe9901b9ac7c06497751f00727a",
-                "reference": "239400de7a173fe9901b9ac7c06497751f00727a",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/35ea11d335fd638b5882ff1725228b3d35496ab1",
+                "reference": "35ea11d335fd638b5882ff1725228b3d35496ab1",
                 "shasum": ""
             },
             "require": {
@@ -347,15 +365,15 @@
             },
             "require-dev": {
                 "ext-zlib": "*",
-                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.8"
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.14 || ^7.5.20 || ^8.5.8 || ^9.3.10"
             },
             "suggest": {
-                "zendframework/zend-httphandlerrunner": "Emit PSR-7 responses"
+                "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6-dev"
+                    "dev-master": "1.7-dev"
                 }
             },
             "autoload": {
@@ -392,7 +410,7 @@
                 "uri",
                 "url"
             ],
-            "time": "2019-07-01T23:21:34+00:00"
+            "time": "2021-03-21T16:25:00+00:00"
         },
         {
             "name": "psr/container",