diff --git a/reference/datetime/timezones.xml b/reference/datetime/timezones.xml
index 175a379312..dc0cb94899 100644
--- a/reference/datetime/timezones.xml
+++ b/reference/datetime/timezones.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <!-- AUTO GENERATED, DO NOT TRANSLATE OR MODIFY BY HAND -->
 
 <appendix xml:id="timezones" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
@@ -8,7 +8,7 @@
 
  <note>
   <simpara>
-   This list is based upon Version 2009.8 of the timezonedb.
+   This list is based upon Version 2009.9 of the timezonedb.
   </simpara>
  </note>