diff --git a/docs/Project.toml b/docs/Project.toml
index 5efa7cc..aa97369 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -30,7 +30,7 @@ MadNLP = "0.8"
 NLPModels = "0.21"
 NLPModelsIpopt = "0.11"
 NonlinearSolve = "4"
-OptimalControl = "1"
+OptimalControl = "2"
 OrdinaryDiffEq = "6"
 Plots = "1"
 Printf = "1"