diff --git a/test/Project.toml b/test/Project.toml
index 912a542..42b1fef 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -6,3 +6,6 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TestItemRunner = "f8b46487-2199-4994-9208-9a1283c18c0a"
 TestItems = "1c621080-faea-4a02-84b6-bbd5e436b8fe"
 UseAll = "edbe3dbe-4909-5f9e-bb65-679d27932c2a"
+
+[compat]
+TestItems = "1.0.0"