Upgrade to 3.0.0 RC1 failed due to 504 Gateway Time-out I got a notification in the Craft 3 beta versions I have been working on to upgrade to 3.0.0 RC1. I clicked update and it began updating only the throw the following error. Any ideas what may have happened?

Status: Gateway Time-out

Response: &lt;html&gt;
&lt;head&gt;&lt;title&gt;504 Gateway Time-out&lt;/title&gt;&lt;/head&gt;
&lt;body bgcolor="white"&gt;
&lt;center&gt;&lt;h1&gt;504 Gateway Time-out&lt;/h1&gt;&lt;/center&gt;
&lt;hr&gt;&lt;center&gt;nginx/1.12.2&lt;/center&gt;
&lt;/body&gt;
&lt;/html&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;


If it's of any help, this is a composer install using Valet to run.
Updated using composer update craftcms/cms