require MTK 1.3

ChrisRackauckas · ChrisRackauckas · commit db749276faaa · 2020-03-19T20:34:45.000-04:00
diff --git a/Project.toml b/Project.toml
@@ -12,6 +12,7 @@ ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
 [compat]
 DataStructures = "0.17"
 DiffEqBase = "6.5"
+ModelingToolkit = "1.3"
 julia = "1.3"
 
 [extras]
