diff --git a/composer.json b/composer.json
index c88317f..ac3d477 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
   ],
   "require": {
     "php": "^7.1.3 || ^8.0",
-    "symfony/config": "^4.2 || ^5.0",
+    "symfony/config": "^4.2 || ^5.0 || ^6.0",
     "guzzlehttp/guzzle-services": "^1.1"
   },
   "suggest": {