diff --git a/pp_taxonomy_manager.info.yml b/pp_taxonomy_manager.info.yml
index 61a8d8d..ce12029 100644
--- a/pp_taxonomy_manager.info.yml
+++ b/pp_taxonomy_manager.info.yml
@@ -3,6 +3,7 @@ type: module
 description: 'Exports taxonomies to and imports vocabularies from a PoolParty Thesaurus and keeps them in sync'
 package: Semantic Drupal
 core: 8.x
+core_version_requirement: ^8 || ^9
 dependencies:
  - drupal:system (>=8.8)
  - semantic_connector:semantic_connector