diff --git a/tests/modules/select2boxes_test/select2boxes_test.info.yml b/tests/modules/select2boxes_test/select2boxes_test.info.yml
index ac1eacd..515178c 100644
--- a/tests/modules/select2boxes_test/select2boxes_test.info.yml
+++ b/tests/modules/select2boxes_test/select2boxes_test.info.yml
@@ -1,6 +1,6 @@
 name: Select2Boxes Test
 description: "Support module for the Select2Boxes module tests."
-core: 8.x
+core_version_requirement: ^8 || ^9
 type: module
 package: Testing