diff --git a/bundle/SiteMapBundle/DependencyInjection/SiteMapExtension.php b/bundle/SiteMapBundle/DependencyInjection/SiteMapExtension.php
index cb7eb72..9d73bfc 100644
--- a/bundle/SiteMapBundle/DependencyInjection/SiteMapExtension.php
+++ b/bundle/SiteMapBundle/DependencyInjection/SiteMapExtension.php
@@ -14,7 +14,7 @@ class SiteMapExtension extends Extension
      */
     public function load(array $configs, ContainerBuilder $container)
     {
-        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
-        $loader->load('services.xml');
+        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('services.yml');
     }
 }
diff --git a/bundle/SiteMapBundle/Resources/config/services.xml b/bundle/SiteMapBundle/Resources/config/services.xml
deleted file mode 100644
index 3118598..0000000
--- a/bundle/SiteMapBundle/Resources/config/services.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="sculpin_sitemap.event.sitemap_generator" class="Homepage\SiteMapBundle\SiteMapGenerator" public="true">
-            <tag name="kernel.event_subscriber" />
-            <tag name="sculpin.data_provider" alias="sitemap" />
-        </service>
-    </services>
-
-</container>
diff --git a/bundle/SiteMapBundle/Resources/config/services.yml b/bundle/SiteMapBundle/Resources/config/services.yml
new file mode 100644
index 0000000..2495fc9
--- /dev/null
+++ b/bundle/SiteMapBundle/Resources/config/services.yml
@@ -0,0 +1,7 @@
+services:
+  homepage.site_map_generator:
+    class: \Homepage\SiteMapBundle\SiteMapGenerator
+    tags:
+      - { name: kernel.event_subscriber }
+      - { name: sculpin.data_provider, alias: sitemap }
+    public: yes