diff --git a/tests/integration/composer.lock b/tests/integration/composer.lock
index 31ac5e955..aad54226a 100644
--- a/tests/integration/composer.lock
+++ b/tests/integration/composer.lock
@@ -207,25 +207,26 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.10.6",
+            "version": "7.12.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "e7412b3180912c01650cc66647f18c1d1cbe9b94"
+                "reference": "d34627490fbc03bf5c5d7cfed81f2faa19519425"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/e7412b3180912c01650cc66647f18c1d1cbe9b94",
-                "reference": "e7412b3180912c01650cc66647f18c1d1cbe9b94",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/d34627490fbc03bf5c5d7cfed81f2faa19519425",
+                "reference": "d34627490fbc03bf5c5d7cfed81f2faa19519425",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
-                "guzzlehttp/promises": "^2.3",
-                "guzzlehttp/psr7": "^2.8",
+                "guzzlehttp/promises": "^2.5",
+                "guzzlehttp/psr7": "^2.12.1",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.24"
             },
             "provide": {
                 "psr/http-client-implementation": "1.0"
@@ -234,7 +235,7 @@
                 "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
                 "guzzle/client-integration-tests": "3.0.2",
-                "guzzlehttp/test-server": "^0.4",
+                "guzzlehttp/test-server": "^0.5.1",
                 "php-http/message-factory": "^1.1",
                 "phpunit/phpunit": "^8.5.52 || ^9.6.34",
                 "psr/log": "^1.1 || ^2.0 || ^3.0"
@@ -314,7 +315,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.10.6"
+                "source": "https://github.com/guzzle/guzzle/tree/7.12.1"
             },
             "funding": [
                 {
@@ -330,7 +331,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-06-01T13:06:22+00:00"
+            "time": "2026-06-18T14:12:49+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -418,16 +419,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.11.0",
+            "version": "2.12.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "bbb5e61349fa5cb822b3e87842b951088b76b81f"
+                "reference": "172ef2f4e9824c1e058b7f30be8ae25a02c0f2b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/bbb5e61349fa5cb822b3e87842b951088b76b81f",
-                "reference": "bbb5e61349fa5cb822b3e87842b951088b76b81f",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/172ef2f4e9824c1e058b7f30be8ae25a02c0f2b7",
+                "reference": "172ef2f4e9824c1e058b7f30be8ae25a02c0f2b7",
                 "shasum": ""
             },
             "require": {
@@ -517,7 +518,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.11.0"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.1"
             },
             "funding": [
                 {
@@ -533,7 +534,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-06-02T12:30:48+00:00"
+            "time": "2026-06-18T09:49:37+00:00"
         },
         {
             "name": "psr/container",