diff --git a/docs/Project.toml b/docs/Project.toml
index 3e9c298e6c..fca3dfa55a 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -90,7 +90,7 @@ ModelingToolkitNeuralNets = "2"
 MultiDocumenter = "0.8"
 NeuralPDE = "5.15"
 NonlinearSolve = "4"
-Optimization = "4"
+Optimization = "4, 5"
 OptimizationBBO = "0.4"
 OptimizationMOI = "0.5"
 OptimizationNLopt = "0.3"