diff --git a/composer.json b/composer.json
index 03c40173..a7adb9f1 100644
--- a/composer.json
+++ b/composer.json
@@ -72,7 +72,8 @@
     },
     "config": {
         "allow-plugins": {
-            "composer/package-versions-deprecated": true
+            "composer/package-versions-deprecated": true,
+            "dealerdirect/phpcodesniffer-composer-installer": true
         },
         "sort-packages": true
     }