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Upgrading Heroku CLI version 18 to 20

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In this blog post will share about Heroku CLI command from version 18 to 20

Full article is available here

https://devcenter.heroku.com/articles/upgrading-to-the-latest-stack 

In that I have my Heroku cloud app deployed using version 18 the below commands I used to run 

and then it is successfully upgraded in version 20.

After running the commands, requirements.txt related all packages will be reinstalled 

heroku stack:set heroku-20 -a [cloudappname]
git commit --allow-empty -m "upgrade to 20"
git push heroku master


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