diff --git a/composer.json b/composer.json
index 090df04..69b0340 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   "require" : {
     "php" : ">=8.1",
     "thecodingmachine/graphqlite" : "^7.0 || ^8.0",
-    "symfony/validator": "^7"
+    "symfony/validator": "^6 || ^7"
   },
   "require-dev": {
     "phpunit/phpunit": "^11",