diff --git a/composer.json b/composer.json
index 00e129c..5c5c0fe 100644
--- a/composer.json
+++ b/composer.json
@@ -83,7 +83,8 @@
             "composer/installers": true,
             "cweagans/composer-patches": true,
             "drupal/core-composer-scaffold": true,
-            "oomphinc/composer-installers-extender": true
+            "oomphinc/composer-installers-extender": true,
+            "dealerdirect/phpcodesniffer-composer-installer": true
         }
     }
 }