diff --git a/core/core.services.yml b/core/core.services.yml
index e39252d..2db1f3c 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -735,6 +735,11 @@ services:
       - [setFinalMatcher, ['@router.matcher.final_matcher']]
     tags:
       - { name: service_collector, tag: non_lazy_route_filter, call: addRouteFilter }
+  router.rebuild_subscriber:
+    class: Drupal\Core\EventSubscriber\RouterRebuildSubscriber
+    arguments: ['@router.builder']
+    tags:
+      - { name: event_subscriber }
   route_filter.lazy_collector:
     class: Drupal\Core\Routing\LazyRouteFilter
     tags: