diff --git a/app/services/json_generator.py b/app/services/json_generator.py
index 51b83d3..da56f59 100644
--- a/app/services/json_generator.py
+++ b/app/services/json_generator.py
@@ -2,6 +2,7 @@ import re as _re
 from collections import defaultdict
 from datetime import datetime, date
 from typing import Optional
+# v1.4.0
 
 
 # ── helpers de formato de fecha ──────────────────────────────────────────────