diff --git a/test/downstream/Project.toml b/test/downstream/Project.toml
index b2e5ed9b9..453718a93 100644
--- a/test/downstream/Project.toml
+++ b/test/downstream/Project.toml
@@ -1,7 +1,7 @@
 [deps]
-ParameterizedFunctions = "65888b18-ceab-5e60-b2b9-181511a3b968"
 ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
+ParameterizedFunctions = "65888b18-ceab-5e60-b2b9-181511a3b968"
 
 [compat]
-ModelingToolkit = "8.33"
-ParameterizedFunctions = "5.15"
\ No newline at end of file
+ModelingToolkit = "8.33, 9"
+ParameterizedFunctions = "5.15"