diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 80cd13e..3398f37 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -125,7 +125,7 @@ private function createTreeBuilder(string $name): TreeBuilder
     {
         // Symfony 4.2 +
         if (method_exists(TreeBuilder::class, '__construct')) {
-            return new TreeBuilder($name);
+            return new TreeBuilder($name); /** @phpstan-ignore-line */
         }
 
         // Symfony 4.1 and below