Laravel 5.1.0 is out. Should I update my existing site from 5.0 to 5.1 for security reasons?

Question

I am builing a site in Laravel 5.0, almost on staging server. Now Laravel 5.1 suggests some changes Authentication, Validation and Elequent etc. It also deprecates some other methods. Should I upgrade to Laravel 5.1 for security reasons to make it future proof, or I should just continue with 5.0 and put it on Production server?

Thank you.