diff --git a/Project.toml b/Project.toml
index 526b4cec..e908fe17 100644
--- a/Project.toml
+++ b/Project.toml
@@ -49,7 +49,7 @@ FastGaussQuadrature = "^0.4, ^0.5, 1"
 ForwardDiff = "^0.10"
 GLMakie = "0.10"
 IterativeSolvers = "0.8.4, 0.8.5, ^0.9"
-JLD2 = "0.4"
+JLD2 = "0.4, 0.5"
 KrylovKit = "^0.7, ^0.8"
 LinearMaps = "2.7, ^3.0"
 OrdinaryDiffEq = "^6.33"