diff --git a/modules/recurring_events_registration/recurring_events_registration.info.yml b/modules/recurring_events_registration/recurring_events_registration.info.yml
index ee1a08fde1f186a01cbc510d0557b5f5de5992ae..f549c0d75eadd4e025e0a695fe18dc35dbc10e6a 100644
--- a/modules/recurring_events_registration/recurring_events_registration.info.yml
+++ b/modules/recurring_events_registration/recurring_events_registration.info.yml
@@ -2,6 +2,7 @@ name: 'Recurring Events Registration'
 type: module
 description: 'Provides the ability to register for recurring events'
 core: 8.x
+core_version_requirement: ^8 || ^9
 package: 'Recurring Events'
 dependencies:
   - recurring_events:recurring_events
diff --git a/recurring_events.info.yml b/recurring_events.info.yml
index 3c8708da7439d1cac9df561a1057fddcb1dac4fb..071ecf065df854b622837d18fe025e354a13c49a 100644
--- a/recurring_events.info.yml
+++ b/recurring_events.info.yml
@@ -2,6 +2,7 @@ name: 'Recurring Events'
 type: module
 description: 'Provides the ability to create recurring events'
 core: 8.x
+core_version_requirement: ^8 || ^9
 package: 'Recurring Events'
 dependencies:
   - drupal:datetime_range