diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 44eb0542..beed1e5c 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -35,6 +35,8 @@ public function getConfigTreeBuilder(): TreeBuilder
 
         /** @var ArrayNodeDefinition $rootNode */
         $rootNode = $treeBuilder->getRootNode();
+
+        /* @phpstan-ignore-next-line */
         $rootNode
             ->children()
                 ->arrayNode('index_service')