diff --git a/composer.json b/composer.json
index f1ec9cc13cefe583e9505faf442ff0560b044f3d..2f1b55d9fe04f86891a22692517921fde478ce4b 100644
--- a/composer.json
+++ b/composer.json
@@ -49,6 +49,11 @@
         "autoloader-suffix": "Drupal9",
         "platform": {
             "php": "8.0.0"
+        },
+        "allow-plugins": {
+            "composer/installers": true,
+            "drupal/core-project-message": true,
+            "drupal/core-vendor-hardening": true
         }
     },
     "extra": {