diff --git a/inc/poche/Tools.class.php b/inc/poche/Tools.class.php
index 52d0f2d..8661ab6 100644
--- a/inc/poche/Tools.class.php
+++ b/inc/poche/Tools.class.php
@@ -238,7 +238,7 @@ class Tools
     public static function createMyConfig()
     {
         $myconfig_file = './inc/poche/myconfig.inc.php';
-        
+
         if (!is_writable('./inc/poche/')) {
             self::logm('you don\'t have write access to create ./inc/poche/myconfig.inc.php');
             die('You don\'t have write access to create ./inc/poche/myconfig.inc.php.');
@@ -248,7 +248,7 @@ class Tools
         {
             $fp = fopen($myconfig_file, 'w');
             fwrite($fp, '<?php'."\r\n");
-            fwrite($fp, "define ('POCHE_VERSION', '1.0-beta3');" . "\r\n");
+            fwrite($fp, "define ('POCHE_VERSION', '1.0-beta4');" . "\r\n");
             fwrite($fp, "define ('SALT', '" . md5(time() . $_SERVER['SCRIPT_FILENAME'] . rand()) . "');" . "\r\n");
             fwrite($fp, "define ('LANG', 'en_EN.utf8');" . "\r\n");
             fclose($fp);
diff --git a/install/update.php b/install/update.php
new file mode 100644
index 0000000..ccc0566
--- /dev/null
+++ b/install/update.php
@@ -0,0 +1,71 @@
+<?php
+require_once dirname(__FILE__).'/../inc/poche/Tools.class.php';
+include dirname(__FILE__).'/../inc/poche/define.inc.php';
+include dirname(__FILE__).'/../inc/poche/myconfig.inc.php';
+require_once __DIR__ . '/../inc/poche/Database.class.php';
+$store = new Database();
+?>
+<!DOCTYPE html>
+<!--[if lte IE 6]> <html class="no-js ie6 ie67 ie678" lang="en"> <![endif]-->
+<!--[if lte IE 7]> <html class="no-js ie7 ie67 ie678" lang="en"> <![endif]-->
+<!--[if IE 8]> <html class="no-js ie8 ie678" lang="en"> <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->
+<html>
+    <head>
+        <meta charset="utf-8">
+        <title>updating poche</title>
+    </head>
+    <body>
+        <h1>update poche to 1.0-beta4</h1>
+
+        <h2>Changelog</h2>
+        <ul>
+            <li>this awesome updating step</li>
+            <li>error message when install folder exists</li>
+            <li>more tests before installation (write access, etc.)</li>
+            <li>updated README to make installation easier</li>
+            <li>german language thanks to HLFH</li>
+            <li>spanish language thanks to Nitche</li>
+            <li>new file ./inc/poche/myconfig.inc.php created to store language and salt</li>
+            <li><a href="https://github.com/inthepoche/poche/issues/119">#119</a>: salt is now created when installing poche</li>
+            <li><a href="https://github.com/inthepoche/poche/issues/130">#130</a>: robots.txt added</li>
+            <li><a href="https://github.com/inthepoche/poche/issues/136">#136</a>: error during readability import</li>
+            <li><a href="https://github.com/inthepoche/poche/issues/137">#137</a>: mixed content alert in https</li>
+            <li><a href="https://github.com/inthepoche/poche/issues/138">#138</a>: change pattern to parse url with #</li>
+        </ul>
+        <p>To update your poche, please fill the following fields.</p>
+        <p>
+        <form name="update" method="post">
+            <div><label for="login">login:</label> <input type="text" name="login" id="login" /></div>
+            <div><label for="password">password:</label> <input type="password" name="password" id="password" /></div>
+            <div><input type="hidden" name="go" value="ok" /><input type="submit" value="update" /></div>
+        </form>
+        </p>
+<?php
+if (isset($_POST['go'])) {
+    if (!empty($_POST['login']) && !empty($_POST['password'])) {
+        $user = $store->login($_POST['login'], sha1($_POST['password'] . $_POST['login'] . SALT));
+        if ($user != array()) {
+            $myconfig_file = '../inc/poche/myconfig.inc.php';
+            # just change version number in config file
+            
+            if (!is_writable('../inc/poche/myconfig.inc.php')) {
+                die('You don\'t have write access to open ./inc/poche/myconfig.inc.php.');
+            }
+
+            if (file_exists($myconfig_file))
+            {
+                $content = str_replace('1.0-beta3', '1.0-beta4', file_get_contents($myconfig_file));
+                file_put_contents($myconfig_file, $content);
+            }
+?>
+        <p><span style="color: green;">your poche is up to date!</span></p>
+        <p><span style="color: red;">don't forget to delete ./install/ folder after the update.</span></p>
+        <p><a href="../">go back to your poche</a></p>
+<?php
+        }
+    }
+}
+?>
+    </body>
+</html>
\ No newline at end of file
