# flutter pub > Flutter's package manager. > Note: Packages are available on <https://pub.dev>. See also: `flutter`. > More information: <https://docs.flutter.dev/packages-and-plugins/using-packages>. - Download/Update all packages specified in `pubspec.yaml`: `flutter pub get` - Add a package dependency to an app: `flutter pub add {{package1 package2 ...}}` - Remove a package dependency from an app: `flutter pub remove {{package1 package2 ...}}` - Upgrade to the highest version of a package that is allowed by `pubspec.yaml`: `flutter pub upgrade {{package}}`