diff --git a/tutorials/perturbation/Project.toml b/tutorials/perturbation/Project.toml
index 5b96f784..f733af89 100644
--- a/tutorials/perturbation/Project.toml
+++ b/tutorials/perturbation/Project.toml
@@ -11,5 +11,5 @@ DifferentialEquations = "6.17"
 ModelingToolkit = "5.17, 6"
 Plots = "1.16"
 SciMLTutorials = "0.9"
-SymbolicUtils = "0.11, 0.12, 0.13"
+SymbolicUtils = "0.11, 0.12, 0.13, 0.14, 0.15"
 Symbolics = "0.1, 1, 2, 3"