"require": {
         "doctrine/doctrine-bundle": "^1.0|^2.0",
         "rapsys/packbundle": "dev-master",
-        "symfony/flex": "^1.0",
-        "symfony/form": "^4.0|^5.0",
-        "symfony/framework-bundle": "^4.0|^5.0",
-        "symfony/security-bundle": "^4.0|^5.0",
-        "symfony/validator": "^4.0|^5.0"
+        "symfony/flex": "^1.0|^2.0",
+        "symfony/form": "^4.0|^5.0|^6.0",
+        "symfony/framework-bundle": "^4.0|^5.0|^6.0",
+        "symfony/security-bundle": "^4.0|^5.0|^6.0",
+        "symfony/validator": "^4.0|^5.0|^6.0"
     },
     "extra": {
         "branch-alias": {