diff --git a/views_ical.info.yml b/views_ical.info.yml
index febd23b..368a8bd 100644
--- a/views_ical.info.yml
+++ b/views_ical.info.yml
@@ -2,6 +2,6 @@ name: Views iCal
 type: module
 description: Provides an iCal Views style plugin.
 package: Views
-core: 8.x
+core_version_requirement: ^8 || ^9
 dependencies:
   - drupal:views