diff --git a/tests/Integration/composer.json b/tests/Integration/composer.json
index 3b42667a..f1cea453 100644
--- a/tests/Integration/composer.json
+++ b/tests/Integration/composer.json
@@ -7,7 +7,7 @@
 	"require-dev": {
 		"phpunit/phpunit": "^10.5.58",
 		"behat/behat": "^3.26.0",
-		"guzzlehttp/guzzle": "^7.14.0",
+		"guzzlehttp/guzzle": "^7.15.1",
 		"sabre/dav": "^4.7.1"
 	}
 }
diff --git a/tests/Integration/composer.lock b/tests/Integration/composer.lock
index d09b6e00..cc7d4907 100644
--- a/tests/Integration/composer.lock
+++ b/tests/Integration/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": "1356654e0db3af5954867fcbc4c9fb16",
+    "content-hash": "0e173344afd19c910ed9fd7ed5b38cbf",
     "packages": [],
     "packages-dev": [
         {
@@ -341,22 +341,22 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.14.0",
+            "version": "7.15.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "aef242412e13128b5049864867bb49fc37dd39de"
+                "reference": "61443dfb33c62f308ee8add20f45b4d6e4bf8d2f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/aef242412e13128b5049864867bb49fc37dd39de",
-                "reference": "aef242412e13128b5049864867bb49fc37dd39de",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/61443dfb33c62f308ee8add20f45b4d6e4bf8d2f",
+                "reference": "61443dfb33c62f308ee8add20f45b4d6e4bf8d2f",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
                 "guzzlehttp/promises": "^2.5.1",
-                "guzzlehttp/psr7": "^2.12.4",
+                "guzzlehttp/psr7": "^2.13",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
                 "symfony/deprecation-contracts": "^2.5 || ^3.0",
@@ -369,7 +369,7 @@
                 "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
                 "guzzle/client-integration-tests": "3.0.3",
-                "guzzlehttp/test-server": "^0.6",
+                "guzzlehttp/test-server": "^0.7",
                 "php-http/message-factory": "^1.1",
                 "phpunit/phpunit": "^8.5.52 || ^9.6.34",
                 "psr/log": "^1.1 || ^2.0 || ^3.0"
@@ -449,7 +449,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.14.0"
+                "source": "https://github.com/guzzle/guzzle/tree/7.15.1"
             },
             "funding": [
                 {
@@ -465,7 +465,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-07-08T22:54:09+00:00"
+            "time": "2026-07-18T11:23:11+00:00"
         },
         {
             "name": "guzzlehttp/promises",