diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index a98fb9e..1c96f0e 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -28,8 +28,8 @@ public function getConfigTreeBuilder(): TreeBuilder
                 ->arrayNode('server')
                     ->addDefaultsIfNotSet()
                     ->children()
-                        ->stringNode('name')->defaultValue(self::DEFAULT_NAME)->end()
-                        ->stringNode('version')->defaultValue(self::DEFAULT_VERSION)->end()
+                        ->scalarNode('name')->defaultValue(self::DEFAULT_NAME)->end()
+                        ->scalarNode('version')->defaultValue(self::DEFAULT_VERSION)->end()
                     ->end()
                 ->end()
             ->end();