diff --git a/main/install/update-files-1.8.8-1.9.0.inc.php b/main/install/update-files-1.8.8-1.9.0.inc.php
new file mode 100644
index 0000000000..b19962e4c2
--- /dev/null
+++ b/main/install/update-files-1.8.8-1.9.0.inc.php
@@ -0,0 +1,74 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Chamilo LMS
+ *
+ * Updates the Chamilo files from version 1.8.8 to version 1.9.0
+ * This script operates only in the case of an update, and only to change the
+ * active version number (and other things that might need a change) in the
+ * current configuration file.
+ * @package chamilo.install
+ */
+
+if (defined('SYSTEM_INSTALLATION')) {
+
+	// Edit the configuration file
+	$file = file(api_get_path(CONFIGURATION_PATH).'configuration.php');
+	$fh = fopen(api_get_path(CONFIGURATION_PATH).'configuration.php', 'w');
+	$found_version_old = false;
+	$found_stable_old = false;
+	$found_version = false;
+	$found_stable = false;
+	$found_software_name = false;
+	$found_software_url = false;
+	foreach ($file as $line) {
+		$ignore = false;
+		if (stripos($line,'$userPasswordCrypted') !== false) {
+			$line = '$_configuration[\'password_encryption\'] = \''.($userPasswordCrypted).'\';'."\r\n";
+		} elseif (stripos($line, '?>') !== false) {
+			$ignore = true;
+		}
+		if (!$ignore) {
+			fwrite($fh, $line);
+		}
+	}
+	if (!$found_version) {
+		fwrite($fh, '$_configuration[\'system_version\'] = \''.$new_version.'\';'."\r\n");
+	}
+	if (!$found_stable) {
+		fwrite($fh, '$_configuration[\'system_stable\'] = '.($new_version_stable?'true':'false').';'."\r\n");
+	}
+	if (!$found_software_name) {
+		fwrite($fh, '$_configuration[\'software_name\'] = \''.$software_name.'\';'."\r\n");
+	}
+	if (!$found_software_url) {
+		fwrite($fh, '$_configuration[\'software_url\'] = \''.$software_url.'\';'."\r\n");
+	}
+	$string = <<<EOP
+//============================================================================
+// Hosting settings - Allows you to set limits to the Chamilo portal when
+// hosting it for a third party. These settings can be overwritten by an
+// optionally-loaded extension file with only the settings (no comments).
+//============================================================================
+// Set a maximum number of users. Default (0) = no limit
+$_configuration['hosting_limit_users'] = 0;
+// Set a maximum number of teachers. Default (0) = no limit
+$_configuration['hosting_limit_teachers'] = 0;
+// Set a maximum number of courses. Default (0) = no limit
+$_configuration['hosting_limit_courses'] = 0;
+// Set a maximum number of sessions. Default (0) = no limit
+$_configuration['hosting_limit_sessions'] = 0;
+// Set a maximum disk space used, in MB (set to 1024 for 1GB, 5120 for 5GB).
+// Default (0) = no limit
+$_configuration['hosting_limit_disk_space'] = 0;
+EOP;
+        fwrite($fh,$string);
+	fwrite($fh, '?>');
+	fclose($fh);
+
+} else {
+
+	echo 'You are not allowed here !';
+
+}