diff --git a/test/Project.toml b/test/Project.toml
index 4f44ffa5..ee95b5e8 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -23,7 +23,7 @@ JuMP = "1"
 MadNLPMumps = "0.5"
 NLPModels = "0.21"
 NLPModelsIpopt = "0.11"
-OptimalControl = "1.1"
+OptimalControl = "2"
 Plots = "1"
 Printf = "1"
 Test = "1"