diff --git a/composer.lock b/composer.lock
index 579ada0..fc87b3f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -282,32 +282,37 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.4.2",
+            "version": "1.8.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c"
+                "reference": "dc960a912984efb74d0a90222870c72c87f10c91"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
-                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/dc960a912984efb74d0a90222870c72c87f10c91",
+                "reference": "dc960a912984efb74d0a90222870c72c87f10c91",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.4.0",
-                "psr/http-message": "~1.0"
+                "psr/http-message": "~1.0",
+                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
             },
             "provide": {
                 "psr/http-message-implementation": "1.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "ext-zlib": "*",
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.14 || ^7.5.20 || ^8.5.8 || ^9.3.10"
+            },
+            "suggest": {
+                "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4-dev"
+                    "dev-master": "1.7-dev"
                 }
             },
             "autoload": {
@@ -337,13 +342,18 @@
             "keywords": [
                 "http",
                 "message",
+                "psr-7",
                 "request",
                 "response",
                 "stream",
                 "uri",
                 "url"
             ],
-            "time": "2017-03-20T17:10:46+00:00"
+            "support": {
+                "issues": "https://github.com/guzzle/psr7/issues",
+                "source": "https://github.com/guzzle/psr7/tree/1.8.2"
+            },
+            "time": "2021-04-26T09:17:50+00:00"
         },
         {
             "name": "psr/http-message",
@@ -393,6 +403,9 @@
                 "request",
                 "response"
             ],
+            "support": {
+                "source": "https://github.com/php-fig/http-message/tree/master"
+            },
             "time": "2016-08-06T14:39:51+00:00"
         },
         {
@@ -594,6 +607,10 @@
                 }
             ],
             "description": "A polyfill for getallheaders.",
+            "support": {
+                "issues": "https://github.com/ralouphie/getallheaders/issues",
+                "source": "https://github.com/ralouphie/getallheaders/tree/2.0.5"
+            },
             "time": "2016-02-11T07:05:27+00:00"
         },
         {
@@ -2413,5 +2430,6 @@
         "php": "^7.3",
         "ext-pdo": "*"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }