diff --git a/composer.json b/composer.json
index bd9ad89..2fcef3b 100644
--- a/composer.json
+++ b/composer.json
@@ -7,10 +7,10 @@
   "require": {
     "php": "^7.4|8.*",
     "ext-json": "*",
-    "symfony/config": "^3.0||^4.0||^5.0",
-    "symfony/dependency-injection": "^3.4.26||^4.1.12|^5.0",
-    "symfony/http-kernel": "^3.0||^4.0||^5.0",
-    "symfony/messenger": "^4.4||^5.0",
+    "symfony/config": "^3.0||^4.0||^5.0||^6.0",
+    "symfony/dependency-injection": "^3.4.26||^4.1.12|^5.0||^6.0",
+    "symfony/http-kernel": "^3.0||^4.0||^5.0||^6.0",
+    "symfony/messenger": "^4.4||^5.0||^6.0",
     "psr/http-client": "^1.0",
     "psr/http-factory": "^1.0",
     "psr/http-message": "^1.0",
@@ -19,10 +19,10 @@
   },
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^2.16",
-    "symfony/phpunit-bridge": "^5.0",
-    "symfony/framework-bundle": "^5.0",
-    "symfony/serializer": "^5.0",
-    "symfony/property-access": "^5.0",
+    "symfony/phpunit-bridge": "^5.0||^6.0",
+    "symfony/framework-bundle": "^5.0||^6.0",
+    "symfony/serializer": "^5.0||^6.0",
+    "symfony/property-access": "^5.0||^6.0",
     "phpstan/phpstan": "^0.12.52"
   },
   "autoload": {