diff --git a/Project.toml b/Project.toml
index 5cfc416..d775587 100644
--- a/Project.toml
+++ b/Project.toml
@@ -7,7 +7,7 @@ version = "1.0.0"
 ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
 
 [compat]
-ModelingToolkit = "9, 11.28"
+ModelingToolkit = "11.28"
 
 [extras]
 ExplicitImports = "7d51a73a-1435-4ff3-83d9-f097790105c7"