diff --git a/tutorials/models/Project.toml b/tutorials/models/Project.toml
index 38fc954c..c4ab1ac3 100644
--- a/tutorials/models/Project.toml
+++ b/tutorials/models/Project.toml
@@ -32,7 +32,7 @@ Latexify = "0.13, 0.14"
 ModelingToolkit = "3.10"
 NLsolve = "4.4"
 NeuralNetDiffEq = "1.6"
-Optim = "0.21, 0.22"
+Optim = "0.21, 0.22, 1.0"
 OrdinaryDiffEq = "5.41"
 Plots = "1.4"
 RecursiveArrayTools = "2.5"