diff --git a/ChangeLog b/ChangeLog
index d2e06430..8c2f12d2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Version 4.5.2 20210719_1900
+    - Livestream "perroenpista" enhancements
+    - Update database
+    - Fix multiple issues and copypasge bugs with Children/Junior/Senior rounds
+    - Fix warnings in excel import and upgrade code
 Version 4.5.2 20210719_1900
     - Multilicense handling support
     - New "livestream" webapp "perroenpista"
diff --git a/config/system.ini b/config/system.ini
index badf4130..e3c5fdc7 100644
--- a/config/system.ini
+++ b/config/system.ini
@@ -3,8 +3,8 @@ program_name = "AgilityContest"
 author = "Juan Antonio Martinez"
 email = "juansgaviota@gmail.com"
 license = "GPL"
-version_name = "4.5.2"
-version_date = "20210719_1900"
+version_name = "4.5.3"
+version_date = "20210908_1300"
 database_name = "agility"
 database_host = "localhost"
 database_user = "YWdpbGl0eV9vcGVyYXRvcg=="
diff --git a/web/blog/index.php b/web/blog/index.php
index cef466ab..c70ef0c3 100644
--- a/web/blog/index.php
+++ b/web/blog/index.php
@@ -33,6 +33,23 @@
     <!--- comienzo del changelog -->
 <?php } ?>
 
+<?php if ( strcmp($from,"blog_2021-09-08_00:00:00")<0) { ?>
+    <strong>2021-Sept-08</strong><br/>
+    <p>
+        Versión 4.5.3
+    </p>
+    <p>
+        Actualización de la base de datos
+    </p>
+    <p>
+        Nueva opción para livestream: utilidad para mostrar el perro en pista
+    </p>
+    <p>
+        Resolución de diversos errores relacionados con categorias infantil/senior en RFEC<br/>
+        Se recomienda la actualizaci&oacute;n a esta versi&oacute;n si se van a realizar pruebas de RFEC
+    </p>
+<?php } ?>
+
 <?php if ( strcmp($from,"blog_2021-07-19_00:00:00")<0) { ?>
     <strong>2021-Jul-19</strong><br/>
     <p>