Upgrade
You can upgrade Iconamic using composer - it's as easy as that.
For major versions, you will need to manually increment version numbers as these may include breaking changes and may need some additional changes to your code.
1.x to 2.x New
v2 drops support for Statamic 3.
Update the following dependencies in your site's composer.json
file:
mitydigital/iconamic
to^2.0