diff --git a/Project.toml b/Project.toml
index 64403938..3f70cac5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,7 +26,7 @@ QuantumControlZygoteExt = "Zygote"
 FileIO = "1"
 FiniteDifferences = "0.12"
 IOCapture = "0.2.4"
-JLD2 = "0.4, 0.5"
+JLD2 = "0.4, 0.5, 0.6"
 LinearAlgebra = "1"
 Logging = "1"
 Printf = "1"