diff --git a/Build/rector/config.php b/Build/rector/config.php
index e28a9300..1a6e1fcf 100644
--- a/Build/rector/config.php
+++ b/Build/rector/config.php
@@ -13,6 +13,7 @@
             __DIR__ . '/../../tests',
         ]
     )
+    ->withPhpSets()
     ->withComposerBased()
     ->withSets([
         // SetList::CODE_QUALITY,