diff --git a/composer.json b/composer.json
index 15447cd..0209113 100644
--- a/composer.json
+++ b/composer.json
@@ -71,7 +71,11 @@
   },
 
   "config": {
-    "sort-packages": true
+    "sort-packages": true,
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true,
+      "phpstan/extension-installer": true
+    }
   },
 
   "extra": {