diff --git a/src/DependencyInjection/MercureExtension.php b/src/DependencyInjection/MercureExtension.php
index c57595d..aabd65d 100644
--- a/src/DependencyInjection/MercureExtension.php
+++ b/src/DependencyInjection/MercureExtension.php
@@ -21,8 +21,8 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\Mercure\Authorization;
 use Symfony\Component\Mercure\Debug\TraceableHub;
 use Symfony\Component\Mercure\Debug\TraceablePublisher;