diff --git a/packages/core/types/src/types/core/attributes/json.ts b/packages/core/types/src/types/core/attributes/json.ts
index e704de752a..e129ca02a0 100644
--- a/packages/core/types/src/types/core/attributes/json.ts
+++ b/packages/core/types/src/types/core/attributes/json.ts
@@ -9,6 +9,14 @@ export type JSON = Attribute.OfType<'json'> &
   Attribute.VisibleOption &
   Attribute.DefaultOption<JsonValue>;
 
-export type JsonValue<T extends object = object> = T;
+type JSONValue = string | number | boolean | null | JSONObject | JSONArray;
+
+type JSONArray = Array<JSONValue>;
+
+interface JSONObject {
+  [key: string]: JSONValue;
+}
+
+export type JsonValue<T extends JSONValue = JSONValue> = T;
 
 export type GetJsonValue<T extends Attribute.Attribute> = T extends JSON ? JsonValue : never;