diff --git a/ecs.php b/ecs.php
index b5fe0ae8828..d5f142aba4d 100644
--- a/ecs.php
+++ b/ecs.php
@@ -5,7 +5,9 @@
 
 return static function(ECSConfig $ecsConfig): void {
     $ecsConfig->paths([
+        __DIR__ . '/bootstrap',
         __DIR__ . '/src',
+        __DIR__ . '/tests',
         __FILE__,
     ]);