diff --git a/composer.json b/composer.json
index 2593b36..4a7fbb7 100644
--- a/composer.json
+++ b/composer.json
@@ -53,6 +53,9 @@
     "config": {
         "preferred-install": "dist",
         "sort-packages": true,
-        "process-timeout": 600
+        "process-timeout": 600,
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
     }
 }