diff --git a/backend/main.py b/backend/main.py
index c9e4d31..e2a0702 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -49,7 +49,7 @@ def _startup():
         except Exception as e:
             print(f"[startup] Precarga Otros falló: {e}")
     threading.Thread(target=_precarga_otros_bg, daemon=True).start()
-    start_background_refresh(services.refrescar_todo, interval=900)
+    start_background_refresh(services.refrescar_todo, interval=1800)  
 
 
 @app.get("/api/health")