diff --git a/Project.toml b/Project.toml
index 2a87a8b9..58711f11 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ TrajectoryIndexingUtils = "6dad8b7f-dd9a-4c28-9b70-85b9a079bfc8"
 DirectTrajOpt = "0.4"
 Distributions = "0.25"
 ExponentialAction = "0.2"
-JLD2 = "0.5"
+JLD2 = "0.5, 0.6"
 LinearAlgebra = "1.10, 1.11, 1.12"
 NamedTrajectories = "0.5"
 PiccoloQuantumObjects = "0.6"