Unable to open LibreOffice . Have Mac OS Catalina 10.15.1

I am getting the message ‘LibreOffice cannot be opened because Apple cannot check it for malicious software. Software needs to be updated. Downloaded via safari from mirrors.co.uk’ Advice please

Please type “Catalina” into the search box of this site and read this https://blog.documentfoundation.org/blog/2019/10/22/libreoffice-and-macos-catalina/