diff --git a/tutorials/models/Project.toml b/tutorials/models/Project.toml
index 615a06be..7873d0a2 100644
--- a/tutorials/models/Project.toml
+++ b/tutorials/models/Project.toml
@@ -20,4 +20,5 @@ StochasticDiffEq = "789caeaf-c7a9-5a7d-9973-96adeb23e2a0"
 
 [compat]
 DifferentialEquations = "6.14"
-RecursiveArrayTools = "2.5"
\ No newline at end of file
+RecursiveArrayTools = "2.5"
+NLsolve = "4.4"
\ No newline at end of file