diff --git a/core/core.services.yml b/core/core.services.yml
index c53bd0d2de..bf6caf8936 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -462,6 +462,7 @@ services:
   settings:
     class: Drupal\Core\Site\Settings
     factory: Drupal\Core\Site\Settings::getInstance
+    deprecated: The "%service_id%" service is deprecated in drupal:9.5.0 and is removed from drupal:10.0.0. Use \Drupal\Core\Site\Settings instead. See https://www.drupal.org/node/3306646
   state:
     class: Drupal\Core\State\State
     arguments: ['@keyvalue']