diff --git a/composer.json b/composer.json
index 803b506..6b6b9ce 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "symfony/console": "^4.2.0 || ^5.0 || ^6.0 || ^7.0",
         "symfony/config": "^4.2.0 || ^5.0 || ^6.0 || ^7.0",
         "symfony/yaml": "^4.2.0 || ^5.0 || ^6.0 || ^7.0",
-        "sebastian/diff": "^3.0 || ^4.0 || ^5.0"
+        "sebastian/diff": "^3.0 || ^4.0 || ^5.0 || ^6.0"
     },
     "require-dev": {
         "phing/phing": "^2.17.4",