diff --git a/test/Project.toml b/test/Project.toml
index e853139d99..b9a154d3c1 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -21,7 +21,7 @@ CairoMakie = "0.13, 0.15"
 DataFrames = "1.6"
 GLM = "1.9"
 Glob = "1.3"
-JSON = "0.21"
+JSON = "0.21, 1"
 OrdinaryDiffEq = "6.49"
 Plots = "1"
 Polyester = "0.7"