diff --git a/Project.toml b/Project.toml
index b4883650..0d740f6f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,6 +26,7 @@ DifferentiableEigen = "0.2.0"
 FMIImport = "1.0.6"
 FMISensitivity = "0.2.0"
 Flux = "0.9 - 0.14"
+JLD2 = "0.5"
 Optim = "1.6"
 OrdinaryDiffEq = "6.0"
 Statistics = "1"