diff --git a/ckeditor_lineheight.info.yml b/ckeditor_lineheight.info.yml
index 614c2b1..4b21f69 100644
--- a/ckeditor_lineheight.info.yml
+++ b/ckeditor_lineheight.info.yml
@@ -2,6 +2,7 @@ name: Ckeditor Line Height
 type: module
 description: Adds the functionality to set the line-height property of an element similar to the font-size to CKEditor.
 core: 8.x
+core_version_requirement: ^8 || ^9
 package: CKEditor
 dependencies:
   - ckeditor