diff --git a/docs/Project.toml b/docs/Project.toml
index be72387..bfe17e5 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -12,7 +12,7 @@ Suppressor = "fd094767-a336-5f1f-9728-57cf17d0bbfb"
 Documenter = "1.5"
 NLPModelsIpopt = "0.10"
 NonlinearSolve = "3.13"
-OptimalControl = "0.11"
+OptimalControl = "0.11, 0.12"
 OrdinaryDiffEq = "6.88"
 Plots = "1.40"
 Suppressor = "0.2"