diff --git a/perimeter.info.yml b/perimeter.info.yml
index bfc9a1a..d161943 100644
--- a/perimeter.info.yml
+++ b/perimeter.info.yml
@@ -1,8 +1,7 @@
 type: module
 name: Drupal Perimeter Defence
 description: Immediately ban hackers when they try to scan the site.
-core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^8 || ^9 || ^10
 dependencies:
   - drupal:ban
 configure: perimeter.settings
diff --git a/src/EventSubscriber/PerimeterSubscriber.php b/src/EventSubscriber/PerimeterSubscriber.php
index 8784545..970fc0c 100644
--- a/src/EventSubscriber/PerimeterSubscriber.php
+++ b/src/EventSubscriber/PerimeterSubscriber.php
@@ -2,8 +2,8 @@
 
 namespace Drupal\perimeter\EventSubscriber;
 
+use Symfony\Contracts\EventDispatcher\Event;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-use Symfony\Component\EventDispatcher\Event;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 use Drupal\Component\Utility\Xss;