diff --git a/docs/Project.toml b/docs/Project.toml
index 0931f8b..e921938 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -30,7 +30,7 @@ Lux = "1"
 ModelingToolkit = "10"
 ModelingToolkitNeuralNets = "2"
 ModelingToolkitStandardLibrary = "2.7"
-Optimization = "4.0"
+Optimization = "4.0, 5"
 OptimizationOptimJL = "0.4"
 OptimizationOptimisers = "0.3"
 OrdinaryDiffEqTsit5 = "1"