diff --git a/web_group_expand/README.rst b/web_group_expand/README.rst
index be83c94bd..8d62c37c6 100644
--- a/web_group_expand/README.rst
+++ b/web_group_expand/README.rst
@@ -14,13 +14,13 @@ Group Expand Buttons
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fweb-lightgray.png?logo=github
-    :target: https://github.com/OCA/web/tree/12.0/web_group_expand
+    :target: https://github.com/OCA/web/tree/13.0/web_group_expand
     :alt: OCA/web
 .. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
-    :target: https://translation.odoo-community.org/projects/web-12-0/web-12-0-web_group_expand
+    :target: https://translation.odoo-community.org/projects/web-13-0/web-13-0-web_group_expand
     :alt: Translate me on Weblate
 .. |badge5| image:: https://img.shields.io/badge/runbot-Try%20me-875A7B.png
-    :target: https://runbot.odoo-community.org/runbot/162/12.0
+    :target: https://runbot.odoo-community.org/runbot/162/13.0
     :alt: Try me on Runbot
 
 |badge1| |badge2| |badge3| |badge4| |badge5| 
@@ -43,7 +43,7 @@ Bug Tracker
 Bugs are tracked on `GitHub Issues <https://github.com/OCA/web/issues>`_.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us smashing it by providing a detailed and welcomed
-`feedback <https://github.com/OCA/web/issues/new?body=module:%20web_group_expand%0Aversion:%2012.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+`feedback <https://github.com/OCA/web/issues/new?body=module:%20web_group_expand%0Aversion:%2013.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
 
 Do not contact contributors directly about support or help with technical issues.
 
@@ -57,6 +57,7 @@ Authors
 * AvanzOSC
 * Serv. Tecnol. Avanzados - Pedro M. Baeza
 * Therp BV
+* Xtendoo
 
 Contributors
 ~~~~~~~~~~~~
@@ -66,6 +67,7 @@ Contributors
 * Pedro M. Baeza <pedro.baeza@serviciosbaeza.com>
 * Jay Vora (SerpentCS) for their alternative implementation
 * Jan Verbeek <jverbeek@therp.nl>
+* Manuel Calero <manuelcalerosolis@gmail.com>
 
 Maintainers
 ~~~~~~~~~~~
@@ -80,6 +82,6 @@ OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.
 
-This module is part of the `OCA/web <https://github.com/OCA/web/tree/12.0/web_group_expand>`_ project on GitHub.
+This module is part of the `OCA/web <https://github.com/OCA/web/tree/13.0/web_group_expand>`_ project on GitHub.
 
 You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/web_group_expand/__manifest__.py b/web_group_expand/__manifest__.py
index b45446b37..20d2f1fab 100644
--- a/web_group_expand/__manifest__.py
+++ b/web_group_expand/__manifest__.py
@@ -1,14 +1,15 @@
 {
     "name": "Group Expand Buttons",
     "category": "Web",
-    "version": "12.0.1.0.0",
+    "version": "13.0.1.0.0",
     "license": "AGPL-3",
     "author": "OpenERP SA, "
     "AvanzOSC, "
     "Serv. Tecnol. Avanzados - Pedro M. Baeza, "
     "Therp BV, "
+    "Xtendoo, "
     "Odoo Community Association (OCA)",
-    "depends": ["web",],
-    "qweb": ["static/src/xml/expand_buttons.xml",],
-    "data": ["views/templates.xml",],
+    "depends": ["web"],
+    "qweb": ["static/src/xml/expand_buttons.xml"],
+    "data": ["views/templates.xml"],
 }
diff --git a/web_group_expand/readme/CONTRIBUTORS.rst b/web_group_expand/readme/CONTRIBUTORS.rst
index 9c037f882..316d64c63 100644
--- a/web_group_expand/readme/CONTRIBUTORS.rst
+++ b/web_group_expand/readme/CONTRIBUTORS.rst
@@ -3,3 +3,4 @@
 * Pedro M. Baeza <pedro.baeza@serviciosbaeza.com>
 * Jay Vora (SerpentCS) for their alternative implementation
 * Jan Verbeek <jverbeek@therp.nl>
+* Manuel Calero <manuelcalerosolis@gmail.com>
diff --git a/web_group_expand/static/description/index.html b/web_group_expand/static/description/index.html
index 7e1774e9c..487fd13c9 100644
--- a/web_group_expand/static/description/index.html
+++ b/web_group_expand/static/description/index.html
@@ -3,7 +3,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<meta name="generator" content="Docutils 0.15.1: http://docutils.sourceforge.net/" />
+<meta name="generator" content="Docutils: http://docutils.sourceforge.net/" />
 <title>Group Expand Buttons</title>
 <style type="text/css">
 
@@ -367,7 +367,7 @@ ul.auto-toc {
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external" href="https://github.com/OCA/web/tree/12.0/web_group_expand"><img alt="OCA/web" src="https://img.shields.io/badge/github-OCA%2Fweb-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/web-12-0/web-12-0-web_group_expand"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external" href="https://runbot.odoo-community.org/runbot/162/12.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
+<p><a class="reference external" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external" href="https://github.com/OCA/web/tree/13.0/web_group_expand"><img alt="OCA/web" src="https://img.shields.io/badge/github-OCA%2Fweb-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/web-13-0/web-13-0-web_group_expand"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external" href="https://runbot.odoo-community.org/runbot/162/13.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
 <p>When grouping a list by a field, this module adds two buttons to expand or
 collapse all the groups at once.</p>
 <p>The buttons appear in the top right, in place of the pagination.</p>
@@ -389,7 +389,7 @@ collapse all the groups at once.</p>
 <p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/web/issues">GitHub Issues</a>.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us smashing it by providing a detailed and welcomed
-<a class="reference external" href="https://github.com/OCA/web/issues/new?body=module:%20web_group_expand%0Aversion:%2012.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<a class="reference external" href="https://github.com/OCA/web/issues/new?body=module:%20web_group_expand%0Aversion:%2013.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
 <p>Do not contact contributors directly about support or help with technical issues.</p>
 </div>
 <div class="section" id="credits">
@@ -401,6 +401,7 @@ If you spotted it first, help us smashing it by providing a detailed and welcome
 <li>AvanzOSC</li>
 <li>Serv. Tecnol. Avanzados - Pedro M. Baeza</li>
 <li>Therp BV</li>
+<li>Xtendoo</li>
 </ul>
 </div>
 <div class="section" id="contributors">
@@ -411,6 +412,7 @@ If you spotted it first, help us smashing it by providing a detailed and welcome
 <li>Pedro M. Baeza &lt;<a class="reference external" href="mailto:pedro.baeza&#64;serviciosbaeza.com">pedro.baeza&#64;serviciosbaeza.com</a>&gt;</li>
 <li>Jay Vora (SerpentCS) for their alternative implementation</li>
 <li>Jan Verbeek &lt;<a class="reference external" href="mailto:jverbeek&#64;therp.nl">jverbeek&#64;therp.nl</a>&gt;</li>
+<li>Manuel Calero &lt;<a class="reference external" href="mailto:manuelcalerosolis&#64;gmail.com">manuelcalerosolis&#64;gmail.com</a>&gt;</li>
 </ul>
 </div>
 <div class="section" id="maintainers">
@@ -420,7 +422,7 @@ If you spotted it first, help us smashing it by providing a detailed and welcome
 <p>OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.</p>
-<p>This module is part of the <a class="reference external" href="https://github.com/OCA/web/tree/12.0/web_group_expand">OCA/web</a> project on GitHub.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/web/tree/13.0/web_group_expand">OCA/web</a> project on GitHub.</p>
 <p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
 </div>
 </div>