sudo emerge -av chromium

These are the packages that would be merged, in order:

Calculating dependencies                             ... done!
[ebuild  N     ] dev-libs/re2-0.2022.04.01:0/9::gentoo  USE="icu" ABI_X86="(64) -32 (-x32)" 372 KiB
[ebuild   R    ] sys-libs/zlib-1.2.12-r2:0/1::gentoo  USE="minizip* (split-usr) -static-libs -verify-sig" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild  N     ] dev-util/gn-0.1943::gentoo  USE="vim-syntax" 691 KiB
[ebuild  N     ] www-client/chromium-103.0.5060.33:0/beta::gentoo  USE="X cups hangouts js-type-check official (pic) proprietary-codecs pulseaudio suid system-harfbuzz system-icu system-png wayland (-component-build) -custom-cflags -debug -gtk4 (-headless) -kerberos -libcxx -lto -screencast (-selinux) (-system-ffmpeg) -vaapi -widevine" L10N="ja -af -am -ar -bg -bn -ca -cs -da -de -el -en-GB -es -es-419 -et -fa -fi -fil -fr -gu -he -hi -hr -hu -id -it -kn -ko -lt -lv -ml -mr -ms -nb -nl -pl -pt-BR -pt-PT -ro -ru -sk -sl -sr -sv -sw -ta -te -th -tr -uk -ur -vi -zh-CN -zh-TW" 1,436,210 KiB

Total: 4 packages (3 new, 1 reinstall), Size of downloads: 1,437,273 KiB

The following USE changes are necessary to proceed:
 (see "package.use" in the portage(5) man page for more details)
# required by www-client/chromium-103.0.5060.33::gentoo
# required by chromium (argument)
>=sys-libs/zlib-1.2.12-r2 minizip

Would you like to add these changes to your config files? [Yes/No]