diff --git a/composer.json b/composer.json
index aa4867f..ddbb6a3 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     "require-dev": {
         "phpunit/phpunit": "~9.0",
         "sentry/sentry": "~3.1",
-        "php-http/guzzle6-adapter": "^2.0",
+        "php-http/guzzle7-adapter": "^0.1",
         "vimeo/psalm": "~4.4",
         "innmind/coding-standard": "^1.1"
     }