diff --git a/Project.toml b/Project.toml
index 7529fc1..0c66a04 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,7 +39,7 @@ Colors = "0.12, 0.13"
 DefaultApplication = "1"
 DocStringExtensions = "0.9"
 HTTP = "1"
-JSON = "0.21"
+JSON = "0.21, 1"
 JSXGraphRecipesBase = "0.1"
 NodeJS_22_jll = "22"
 Observables = "0.5"