Any macOSCatalina update on a MacBook Pro (13-inch, half-2012) ?

Hi, i have a MacBook Pro (13-inch, half-2012) with macOS Sierra (10.12.6) on it. I should be abled to upgrade to MacOS Catalina (10.15.7). But in the App Store it don’t ask me for any OS update since a few months. Thanking you in advance. Best regards.