diff --git a/mail_attach_existing_attachment_account/README.rst b/mail_attach_existing_attachment_account/README.rst
index 1941d36160..83effa8fa8 100644
--- a/mail_attach_existing_attachment_account/README.rst
+++ b/mail_attach_existing_attachment_account/README.rst
@@ -2,10 +2,13 @@
 Mail Attach Existing Attachment (Account)
 =========================================
 
-.. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    !! This file is generated by oca-gen-addon-readme !!
    !! changes will be overwritten.                   !!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:4ce1f7668e74ce6192e9ca412c06d6cd8d7747f6fdacb578c5c92670cdc23f03
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 .. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
     :target: https://odoo-community.org/page/development-status
@@ -14,16 +17,16 @@ Mail Attach Existing Attachment (Account)
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github
-    :target: https://github.com/OCA/social/tree/14.0/mail_attach_existing_attachment_account
+    :target: https://github.com/OCA/social/tree/16.0/mail_attach_existing_attachment_account
     :alt: OCA/social
 .. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
-    :target: https://translation.odoo-community.org/projects/social-14-0/social-14-0-mail_attach_existing_attachment_account
+    :target: https://translation.odoo-community.org/projects/social-16-0/social-16-0-mail_attach_existing_attachment_account
     :alt: Translate me on Weblate
-.. |badge5| image:: https://img.shields.io/badge/runbot-Try%20me-875A7B.png
-    :target: https://runbot.odoo-community.org/runbot/205/14.0
-    :alt: Try me on Runbot
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/social&target_branch=16.0
+    :alt: Try me on Runboat
 
-|badge1| |badge2| |badge3| |badge4| |badge5| 
+|badge1| |badge2| |badge3| |badge4| |badge5|
 
 This Module adds the mail_attach_existing_attachment feature to the account module,
 since there is a change in odoo 12.0, which adds a new mail wizard form to the account module
@@ -38,8 +41,8 @@ Bug Tracker
 
 Bugs are tracked on `GitHub Issues <https://github.com/OCA/social/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/social/issues/new?body=module:%20mail_attach_existing_attachment_account%0Aversion:%2014.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/social/issues/new?body=module:%20mail_attach_existing_attachment_account%0Aversion:%2016.0%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.
 
@@ -74,6 +77,6 @@ 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/social <https://github.com/OCA/social/tree/14.0/mail_attach_existing_attachment_account>`_ project on GitHub.
+This module is part of the `OCA/social <https://github.com/OCA/social/tree/16.0/mail_attach_existing_attachment_account>`_ project on GitHub.
 
 You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/mail_attach_existing_attachment_account/static/description/index.html b/mail_attach_existing_attachment_account/static/description/index.html
index f9eb634ebb..719a7bfc98 100644
--- a/mail_attach_existing_attachment_account/static/description/index.html
+++ b/mail_attach_existing_attachment_account/static/description/index.html
@@ -1,20 +1,20 @@
-<?xml version="1.0" encoding="utf-8" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <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: https://docutils.sourceforge.io/" />
 <title>Mail Attach Existing Attachment (Account)</title>
 <style type="text/css">
 
 /*
 :Author: David Goodger (goodger@python.org)
-:Id: $Id: html4css1.css 7952 2016-07-26 18:15:59Z milde $
+:Id: $Id: html4css1.css 9511 2024-01-13 09:50:07Z milde $
 :Copyright: This stylesheet has been placed in the public domain.
 
 Default cascading style sheet for the HTML output of Docutils.
+Despite the name, some widely supported CSS2 features are used.
 
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
+See https://docutils.sourceforge.io/docs/howto/html-stylesheets.html for how to
 customize this style sheet.
 */
 
@@ -275,7 +275,7 @@
   margin-left: 2em ;
   margin-right: 2em }
 
-pre.code .ln { color: grey; } /* line numbers */
+pre.code .ln { color: gray; } /* line numbers */
 pre.code, code { background-color: #eeeeee }
 pre.code .comment, code .comment { color: #5C6576 }
 pre.code .keyword, code .keyword { color: #3B0D06; font-weight: bold }
@@ -301,7 +301,7 @@
 span.pre {
   white-space: pre }
 
-span.problematic {
+span.problematic, pre.problematic {
   color: red }
 
 span.section-subtitle {
@@ -366,40 +366,42 @@ <h1 class="title">Mail Attach Existing Attachment (Account)</h1>
 <!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! source digest: sha256:4ce1f7668e74ce6192e9ca412c06d6cd8d7747f6fdacb578c5c92670cdc23f03
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<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/social/tree/14.0/mail_attach_existing_attachment_account"><img alt="OCA/social" src="https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/social-14-0/social-14-0-mail_attach_existing_attachment_account"><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/205/14.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
+<p><a class="reference external image-reference" 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 image-reference" 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 image-reference" href="https://github.com/OCA/social/tree/16.0/mail_attach_existing_attachment_account"><img alt="OCA/social" src="https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/social-16-0/social-16-0-mail_attach_existing_attachment_account"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/social&amp;target_branch=16.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>This Module adds the mail_attach_existing_attachment feature to the account module,
 since there is a change in odoo 12.0, which adds a new mail wizard form to the account module</p>
 <p><strong>Table of contents</strong></p>
 <div class="contents local topic" id="contents">
 <ul class="simple">
-<li><a class="reference internal" href="#bug-tracker" id="id1">Bug Tracker</a></li>
-<li><a class="reference internal" href="#credits" id="id2">Credits</a><ul>
-<li><a class="reference internal" href="#authors" id="id3">Authors</a></li>
-<li><a class="reference internal" href="#contributors" id="id4">Contributors</a></li>
-<li><a class="reference internal" href="#maintainers" id="id5">Maintainers</a></li>
+<li><a class="reference internal" href="#bug-tracker" id="toc-entry-1">Bug Tracker</a></li>
+<li><a class="reference internal" href="#credits" id="toc-entry-2">Credits</a><ul>
+<li><a class="reference internal" href="#authors" id="toc-entry-3">Authors</a></li>
+<li><a class="reference internal" href="#contributors" id="toc-entry-4">Contributors</a></li>
+<li><a class="reference internal" href="#maintainers" id="toc-entry-5">Maintainers</a></li>
 </ul>
 </li>
 </ul>
 </div>
 <div class="section" id="bug-tracker">
-<h1><a class="toc-backref" href="#id1">Bug Tracker</a></h1>
+<h1><a class="toc-backref" href="#toc-entry-1">Bug Tracker</a></h1>
 <p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/social/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/social/issues/new?body=module:%20mail_attach_existing_attachment_account%0Aversion:%2014.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+<a class="reference external" href="https://github.com/OCA/social/issues/new?body=module:%20mail_attach_existing_attachment_account%0Aversion:%2016.0%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">
-<h1><a class="toc-backref" href="#id2">Credits</a></h1>
+<h1><a class="toc-backref" href="#toc-entry-2">Credits</a></h1>
 <div class="section" id="authors">
-<h2><a class="toc-backref" href="#id3">Authors</a></h2>
+<h2><a class="toc-backref" href="#toc-entry-3">Authors</a></h2>
 <ul class="simple">
 <li>Thore Baden</li>
 </ul>
 </div>
 <div class="section" id="contributors">
-<h2><a class="toc-backref" href="#id4">Contributors</a></h2>
+<h2><a class="toc-backref" href="#toc-entry-4">Contributors</a></h2>
 <ul class="simple">
 <li>Thore Baden &lt;<a class="reference external" href="mailto:thorebaden&#64;gmail.com">thorebaden&#64;gmail.com</a>&gt;</li>
 <li><a class="reference external" href="https://www.tecnativa.com">Tecnativa</a>:<ul>
@@ -410,13 +412,15 @@ <h2><a class="toc-backref" href="#id4">Contributors</a></h2>
 </ul>
 </div>
 <div class="section" id="maintainers">
-<h2><a class="toc-backref" href="#id5">Maintainers</a></h2>
+<h2><a class="toc-backref" href="#toc-entry-5">Maintainers</a></h2>
 <p>This module is maintained by the OCA.</p>
-<a class="reference external image-reference" href="https://odoo-community.org"><img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" /></a>
+<a class="reference external image-reference" href="https://odoo-community.org">
+<img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
+</a>
 <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/social/tree/14.0/mail_attach_existing_attachment_account">OCA/social</a> project on GitHub.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/social/tree/16.0/mail_attach_existing_attachment_account">OCA/social</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>
diff --git a/setup/mail_attach_existing_attachment_account/odoo/addons/mail_attach_existing_attachment_account b/setup/mail_attach_existing_attachment_account/odoo/addons/mail_attach_existing_attachment_account
new file mode 120000
index 0000000000..2deb5f5007
--- /dev/null
+++ b/setup/mail_attach_existing_attachment_account/odoo/addons/mail_attach_existing_attachment_account
@@ -0,0 +1 @@
+../../../../mail_attach_existing_attachment_account
\ No newline at end of file
diff --git a/setup/mail_attach_existing_attachment_account/setup.py b/setup/mail_attach_existing_attachment_account/setup.py
new file mode 100644
index 0000000000..28c57bb640
--- /dev/null
+++ b/setup/mail_attach_existing_attachment_account/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)