yarn upgrade

yarn upgrade
yarn upgrade left-pad
yarn upgrade left-pad@^1.0.0
yarn upgrade left-pad grunt
yarn upgrade @angular
yarn upgrade --pattern gulp
yarn upgrade left-pad --pattern "gulp|grunt"
yarn upgrade --latest --pattern "gulp-(match|newer)"
yarn upgrade --latest
yarn upgrade left-pad --latest
yarn upgrade left-pad grunt --latest --tilde

References
https://yarnpkg.com/lang/en/docs/cli/upgrade/