diff --git a/composer.json b/composer.json
index 0dc855f..c47dc5a 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,8 @@
 {
     "name": "ecphp/cas-bundle",
-    "type": "symfony-bundle",
     "description": "A bundle for Symfony 4 & 5, providing authentication against a Central Authentication Service (CAS) server.",
+    "license": "BSD-3-Clause",
+    "type": "symfony-bundle",
     "keywords": [
         "authentication",
         "cas",
@@ -9,7 +10,6 @@
         "single sign-on",
         "sso"
     ],
-    "license": "BSD-3-Clause",
     "require": {
         "php": ">= 7.4",
         "ext-filter": "*",
@@ -54,6 +54,15 @@
             "spec\\EcPhp\\CasBundle\\": "./spec/EcPhp/CasBundle/"
         }
     },
+    "config": {
+        "allow-plugins": {
+            "composer/package-versions-deprecated": true,
+            "ergebnis/composer-normalize": true,
+            "infection/extension-installer": true,
+            "phpro/grumphp": true,
+            "phpstan/extension-installer": true
+        }
+    },
     "scripts": {
         "grumphp": "./vendor/bin/grumphp run"
     }