diff --git a/Project.toml b/Project.toml
index e2ca2e9..4402efe 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,3 +15,7 @@ AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
 
 [extensions]
 ATExt = "AbstractTrees"
+
+[compat]
+RequiredInterfaces = "0.1"
+julia = "1.9"