diff --git a/tutorials/perturbation/Project.toml b/tutorials/perturbation/Project.toml
index ed7c242a..22ed82dc 100644
--- a/tutorials/perturbation/Project.toml
+++ b/tutorials/perturbation/Project.toml
@@ -7,4 +7,5 @@ Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 
 [compat]
 SciMLTutorials = "0.9"
+SymbolicUtils = "0.11"
 Symbolics = "0.1"