diff --git a/composer.json b/composer.json
index c5d7b2a..8fb1041 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
         "phpunit/phpunit": "~12.3",
         "vimeo/psalm": "~6.13",
         "php-cs-fixer/shim": "~3.88",
-        "guzzlehttp/guzzle": "^7.5"
+        "guzzlehttp/guzzle": "^7.5 || ^8.0"
     },
     "config": {
         "allow-plugins": {