diff --git a/composer.json b/composer.json
index d797288..214190a 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     },
     "require": {
         "php": ">=8.2",
-        "guzzlehttp/guzzle": "^7.10",
+        "guzzlehttp/guzzle": "^7.10 || ^8.0",
         "phpunit/phpunit": "*",
         "behat/behat": "^3.29",
         "libresign/behat-builtin-extension": "^0.7.1",