diff --git a/composer.json b/composer.json
index e11f2f21..3bbf1da5 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^10.5|^11.3",
-    "guzzlehttp/guzzle": "^7.2"
+    "guzzlehttp/guzzle": "^8.0"
   },
   "autoload-dev": {
     "files": [