diff --git a/ckeditor_div_manager.info.yml b/ckeditor_div_manager.info.yml
index 463af76..6bfd0d8 100644
--- a/ckeditor_div_manager.info.yml
+++ b/ckeditor_div_manager.info.yml
@@ -2,6 +2,7 @@ name: CKEditor Div Manager
 type: module
 description: 'Adds the Div Container Manager plugin to CKEditor.'
 core: 8.x
+core_version_requirement: ^8 || ^9
 package: CKEditor
 dependencies:
  - drupal:ckeditor