diff --git a/docs/Project.toml b/docs/Project.toml
index a6434f90..855de0c6 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -12,7 +12,7 @@ Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 Documenter = "1"
 ModelingToolkit = "9, 10.1, 11.1"
 ModelingToolkitStandardLibrary = "2"
-Optim = "1, 2.0"
+Optim = "1.12, 2"
 OrdinaryDiffEq = "6, 7.0"
 Plots = "1"
 StableRNGs = "1"