diff --git a/scoper.php b/scoper.php
index 7b83da5d18b..6797a67e861 100644
--- a/scoper.php
+++ b/scoper.php
@@ -38,6 +38,7 @@
     ],
     'exclude-namespaces' => [
         '#^Rector#',
+        '#^DrupalRector#',
         '#^PhpParser#',
         '#^PHPStan#',
         '#^Symplify\\\\RuleDocGenerator#',