diff --git a/lib/Business/ISBN/Data.pm b/lib/Business/ISBN/Data.pm
index 7139420..a8e5787 100644
--- a/lib/Business/ISBN/Data.pm
+++ b/lib/Business/ISBN/Data.pm
@@ -7,7 +7,7 @@ use Carp                  qw(carp);
 use File::Basename        qw(dirname);
 use File::Spec::Functions qw(catfile);
 
-our $VERSION = '20230923.001';
+our $VERSION = '20230926.001';
 
 =encoding utf8
 
@@ -115,8 +115,8 @@ You may redistribute this under the terms of the Artistic License 2.0.
 sub _default_data {
 # BEGIN REPLACE
 	(
-	_data_date => 'Sat, 23 Sep 2023 04:41:26 BST',
-	_serial    => '19627bc2-8f8b-4d0a-9c62-1d2d4a3a7029',
+	_data_date => 'Tue, 26 Sep 2023 04:41:08 BST',
+	_serial    => '6ad9eca0-a529-41ff-984f-ad323d255bba',
 	_source    => __FILE__,
 	978 => {
 		0     => [ 'English language'             => [ '00', '19', '200', '227', '2280', '2289', '229', '368', '3690', '3699', '370', '638', '6390', '6397', '6398000', '6399999', '640', '644', '6450000', '6459999', '646', '647', '6480000', '6489999', '649', '654', '6550', '6559', '656', '699', '7000', '8499', '85000', '89999', '900000', '900370', '9003710', '9003719', '900372', '949999', '9500000', '9999999' ] ],
@@ -374,7 +374,7 @@ sub _default_data {
 		99980 => [ 'Bhutan'                       => [ '0', '0', '30', '59', '750', '999' ] ],
 		99981 => [ 'Macau'                        => [ '0', '1', '200', '219', '24', '74', '750', '999' ] ],
 		99982 => [ 'Benin'                        => [ '0', '1', '50', '68', '900', '999' ] ],
-		99983 => [ 'El Salvador'                  => [ '0', '0', '50', '69', '950', '999' ] ],
+		99983 => [ 'El Salvador'                  => [ '0', '0', '35', '69', '900', '999' ] ],
 		99984 => [ 'Brunei Darussalam'            => [ '0', '0', '50', '69', '950', '999' ] ],
 		99985 => [ 'Tajikistan'                   => [ '0', '1', '35', '79', '850', '999' ] ],
 		99986 => [ 'Myanmar'                      => [ '0', '0', '50', '69', '950', '999' ] ],
diff --git a/lib/Business/ISBN/RangeMessage.xml b/lib/Business/ISBN/RangeMessage.xml
index 0d687e9..f6c4063 100644
--- a/lib/Business/ISBN/RangeMessage.xml
+++ b/lib/Business/ISBN/RangeMessage.xml
@@ -17,8 +17,8 @@
 ]>
 <ISBNRangeMessage>
   <MessageSource>International ISBN Agency</MessageSource>
-  <MessageSerialNumber>19627bc2-8f8b-4d0a-9c62-1d2d4a3a7029</MessageSerialNumber>
-  <MessageDate>Sat, 23 Sep 2023 04:41:26 BST</MessageDate>
+  <MessageSerialNumber>6ad9eca0-a529-41ff-984f-ad323d255bba</MessageSerialNumber>
+  <MessageDate>Tue, 26 Sep 2023 04:41:08 BST</MessageDate>
   <EAN.UCCPrefixes>
     <EAN.UCC>
       <Prefix>978</Prefix>
@@ -7545,19 +7545,19 @@
           <Length>1</Length>
         </Rule>
         <Rule>
-          <Range>1000000-4999999</Range>
+          <Range>1000000-3499999</Range>
           <Length>0</Length>
         </Rule>
         <Rule>
-          <Range>5000000-6999999</Range>
+          <Range>3500000-6999999</Range>
           <Length>2</Length>
         </Rule>
         <Rule>
-          <Range>7000000-9499999</Range>
+          <Range>7000000-8999999</Range>
           <Length>0</Length>
         </Rule>
         <Rule>
-          <Range>9500000-9999999</Range>
+          <Range>9000000-9999999</Range>
           <Length>3</Length>
         </Rule>
       </Rules>