diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/yubico/u2flib-server/README b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/yubico/u2flib-server/README
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+php-u2flib-server
+-----------------
+
+image:https://travis-ci.org/Yubico/php-u2flib-server.svg?branch=master["Build Status", link="https://travis-ci.org/Yubico/php-u2flib-server"]
+image:https://coveralls.io/repos/Yubico/php-u2flib-server/badge.svg?branch=master&service=github["Coverage", link="https://coveralls.io/github/Yubico/php-u2flib-server?branch=master"]
+image:https://scrutinizer-ci.com/g/Yubico/php-u2flib-server/badges/quality-score.png?b=master["Scrutinizer Code Quality", link="https://scrutinizer-ci.com/g/Yubico/php-u2flib-server/?branch=master"]
+
+=== Introduction ===
+
+Serverside U2F library for PHP. Provides functionality for registering
+tokens and authentication with said tokens.
+
+To read more about U2F and how to use a U2F library, visit
+link:http://developers.yubico.com/U2F[developers.yubico.com/U2F].
+
+=== License ===
+
+The project is licensed under a BSD license.  See the file COPYING for
+exact wording.  For any copyright year range specified as YYYY-ZZZZ in
+this package note that the range specifies every single year in that
+closed interval.
+
+=== Dependencies ===
+
+The only dependency is the openssl extension to PHP that has to be enabled.
+
+A composer.json is included in the distribution to make things simpler for
+other project using composer.
+
+=== Tests ===
+
+To run the test suite link:https://phpunit.de[PHPUnit] is required. To run it, type:
+
+ $ phpunit