Do I have to tell my mortgage lender I've been made redundant?

I am in the middle of buying a home and have had my mortgage application approved. However, I have just been told my company is making me redundant. https://www.dailymail.co.uk/money/mortgageshome/article-8564345/Do-tell-mortgage-lender-Ive-redundant.html?ns_mchannel=rss&ns_campaign=1490&ito=1490