diff --git a/Project.toml b/Project.toml
index 8762c129..49003bf2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -34,7 +34,7 @@ DiffEqGPU = "0.3"
 Distributions = "0.25"
 ForwardDiff = "1.0.1"
 GeometryBasics = "0.5"
-JSON = "0.21"
+JSON = "0.21, 1"
 Krylov = "0.9.6, 0.10"
 LinearAlgebra = "1.9"
 MLStyle = "0.4.17"