# apt-mark > Utility to change the status of installed packages. > More information: . - Mark a package as automatically installed: `sudo apt-mark auto {{package_name}}` - Hold a package at its current version and prevent updates to it: `sudo apt-mark hold {{package_name}}` - Allow a package to be updated again: `sudo apt-mark unhold {{package_name}}` - Show manually installed packages: `apt-mark showmanual` - Show held packages that aren't being updated: `apt-mark showhold`