diff --git a/composer.json b/composer.json
index 86c07a6d..f1ebd9e2 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
 		"fluent/logger": "Required for Fluentd writer"
 	},
 	"require-dev": {
-		"guzzlehttp/guzzle": "6.5.5",
+		"guzzlehttp/guzzle": "6.5.6",
 		"sentry/sentry": "3.4.0",
 		"graylog2/gelf-php": "1.7.1",
 		"fluent/logger": "1.0.1",
diff --git a/composer.lock b/composer.lock
index 63c838ac..64424dc8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5d17161fa9c341422fb91e06086055db",
+    "content-hash": "8e95207057a3c5ad767d560e49d2c45c",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.5.5",
+            "version": "6.5.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "9d4290de1cfd701f38099ef7e183b64b4b7b0c5e"
+                "reference": "f092dd734083473658de3ee4bef093ed77d2689c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/9d4290de1cfd701f38099ef7e183b64b4b7b0c5e",
-                "reference": "9d4290de1cfd701f38099ef7e183b64b4b7b0c5e",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/f092dd734083473658de3ee4bef093ed77d2689c",
+                "reference": "f092dd734083473658de3ee4bef093ed77d2689c",
                 "shasum": ""
             },
             "require": {
@@ -54,10 +54,40 @@
                 "MIT"
             ],
             "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
                 {
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Jeremy Lindblom",
+                    "email": "jeremeamia@gmail.com",
+                    "homepage": "https://github.com/jeremeamia"
+                },
+                {
+                    "name": "George Mponos",
+                    "email": "gmponos@gmail.com",
+                    "homepage": "https://github.com/gmponos"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "https://github.com/Nyholm"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://github.com/sagikazarmark"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "email": "webmaster@tubo-world.de",
+                    "homepage": "https://github.com/Tobion"
                 }
             ],
             "description": "Guzzle is a PHP HTTP client library",
@@ -73,9 +103,23 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/6.5"
+                "source": "https://github.com/guzzle/guzzle/tree/6.5.6"
             },
-            "time": "2020-06-16T21:01:06+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/Nyholm",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/guzzlehttp/guzzle",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-05-25T13:19:12+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -6001,7 +6045,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.2"
+        "php": "^7.4 || ^8.1"
     },
     "platform-dev": [],
     "platform-overrides": {