diff --git a/resources/core-scoper.inc.php b/resources/core-scoper.inc.php
index 222eb00..2ebb611 100644
--- a/resources/core-scoper.inc.php
+++ b/resources/core-scoper.inc.php
@@ -28,6 +28,7 @@
             ->in(__DIR__)
             ->exclude('build')
             ->exclude('vendor/prefixed')
+            ->exclude('vendor/composer')
             ->exclude('node_modules')
             ->exclude('tmp')
             ->exclude('@types')