diff --git a/composer.json b/composer.json
index ee7eccb..b6becf6 100644
--- a/composer.json
+++ b/composer.json
@@ -8,10 +8,10 @@
         "email": "goetas@gmail.com"
     }],
     "require": {
-        "php": "^7.1|^8.0",
+        "php": "^7.1|^8.0|^8.1",
         "goetas-webservices/xsd-reader": "^0.3",
-        "symfony/event-dispatcher-contracts": "^1.1|^2.0",
-        "symfony/event-dispatcher": "^2.4|^3.0|^4.0|^5.0",
+        "symfony/event-dispatcher-contracts": "^1.1|^2.0|^3.0",
+        "symfony/event-dispatcher": "^2.4|^3.0|^4.0|^5.0|^6.0",
         "ext-dom": "*"
     },
     "require-dev": {