diff --git a/Project.toml b/Project.toml
index eac3398..aab6c2d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ ClusterValidityIndices = "0.6"
 DelimitedFiles = "1"
 DocStringExtensions = "0.8, 0.9"
 JLD = "0.12, 0.13"
-JLD2 = "0.4"
+JLD2 = "0.4, 0.5"
 NumericalTypeAliases = "0.1, 0.2"
 Parameters = "0.12"
 PrecompileSignatures = "3"