diff --git a/composer.json b/composer.json
index a1ddf36..10ce0a8 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   ],
   "require": {
     "php": "^7.4 | ^8.0",
-    "symfony/framework-bundle": "^4.4|^5.0",
+    "symfony/framework-bundle": "^4.4|^5.0|^6.0",
     "ext-json": "*"
   },
   "autoload": {
@@ -29,5 +29,10 @@
   },
   "require-dev": {
     "pccomponentes/coding-standard": "^1.1"
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
   }
 }