diff --git a/composer.json b/composer.json
index cadbf50..fd1602a 100644
--- a/composer.json
+++ b/composer.json
@@ -19,6 +19,9 @@
         "docs": "https://php-path.readthedocs.io/"
     },
     "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        },
         "sort-packages": true
     },
     "autoload": {