diff --git a/composer.json b/composer.json
index 3b903df4..025951db 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "require": {
         "php": "^8.1",
         "doctrine/dbal": "^v2.7",
-        "oxid-esales/graphql-base": "^v9.0.0"
+        "oxid-esales/graphql-base": "dev-b-7.1.x"
     },
     "conflict": {
         "oxid-esales/oxideshop-ce": "<7.1",