diff --git a/Project.toml b/Project.toml
index d59c2ff..93e60e2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ Dates = "1"
 DirectTrajOpt = "0.9"
 JLD2 = "0.6"
 MathOptInterface = "1"
-NamedTrajectories = "0.8"
+NamedTrajectories = "0.8, 0.9"
 Pkg = "1"
 Printf = "1"
 Statistics = "1"