diff --git a/benchmarks/StiffODE/Project.toml b/benchmarks/StiffODE/Project.toml
index 2718f75e8..c5e532619 100644
--- a/benchmarks/StiffODE/Project.toml
+++ b/benchmarks/StiffODE/Project.toml
@@ -33,7 +33,7 @@ IncompleteLU = "0.2"
 LSODA = "0.7"
 LinearSolve = "3"
 MethodOfLines = "0.11"
-ModelingToolkit = "9"
+ModelingToolkit = "9, 10"
 ODEInterfaceDiffEq = "3.10"
 OrdinaryDiffEq = "6.92"
 ParameterizedFunctions = "5.3"