diff --git a/mailcontrol.info.yml b/mailcontrol.info.yml
index bdfe445..c29e5bd 100644
--- a/mailcontrol.info.yml
+++ b/mailcontrol.info.yml
@@ -3,6 +3,7 @@ name: MailControl
 description: 'Extends original account settings page with the ability to turn on/off all standard mails.'
 package: Development
 core: 8.x
+core_version_requirement: ^8 || ^9
 configure: entity.user.admin_form
 dependencies:
   - user