Pull the current version: 
git pull
Check if dependencies got added/updated/removed 
yarn
Apply database migrations by running one of the following commands: In a development environment, run: 
yarn workspace @calcom/prisma db-migrate
(this can clear your development database in some cases) In a production environment, run: 
yarn workspace @calcom/prisma db-deploy
Check for .env variables changes 
yarn predev
Start the server. In a development environment, just do: 
yarn dev
For a production build, run for example: 
yarn build
yarn start
Enjoy the new version.