diff --git a/composer.json b/composer.json
index 9698354..b87a402 100644
--- a/composer.json
+++ b/composer.json
@@ -8,6 +8,7 @@
         }
     },
     "require": {
+        "php": ">=8.1",
         "guzzlehttp/guzzle": "^7.0"
     }
 }