diff --git a/composer.json b/composer.json
index f1d3938e..784c8692 100644
--- a/composer.json
+++ b/composer.json
@@ -26,6 +26,9 @@
         "roave/security-advisories": "dev-latest"
     },
     "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        },
         "sort-packages": true
     },
     "extra": {