diff --git a/Project.toml b/Project.toml
index 1675a6e..e11aa99 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,7 +33,7 @@ Colors = "0.12, 0.13"
 Distributions = "0.25.117"
 FFTW = "1"
 IterativeSolvers = "0.9"
-JLD2 = "0.5.11"
+JLD2 = "0.5.11, 0.6"
 LLLplus = "1.4.0"
 LinearOperators = "2"
 Optim = "1"