diff --git a/test/Project.toml b/test/Project.toml
index d8b363b..ed0bdd4 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -13,7 +13,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 [compat]
 CTBase = "0.13"
 HSL = "0.4"
-JLD2 = "0.4"
+JLD2 = "0.5"
 JSON3 = "1"
 MadNLP = "0.8"
 NLPModelsIpopt = "0.10"