diff --git a/docs/Project.toml b/docs/Project.toml
index fa7144b69..6c7fd603e 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -66,7 +66,7 @@ ModelingToolkit = "10.23"
 NLPModels = "0.21"
 NLPModelsTest = "0.10"
 NLopt = "0.6, 1"
-Optimization = "4"
+Optimization = "4, 5"
 OptimizationBBO = "0.4"
 OptimizationBase = "2, 3"
 OptimizationCMAEvolutionStrategy = "0.3"