diff --git a/test/Project.toml b/test/Project.toml
index f55dc7e..2773309 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -18,6 +18,7 @@ Aqua = "0.8"
 CTBase = "0.17"
 ExaModels = "0.9"
 JLD2 = "0.6"
+JSON3 = "1"
 NLPModels = "0.21"
 OrderedCollections = "1.8"
 Plots = "1"