I want to upgrade my magento 2.0.2 to latest version with help of composer. When i run command

composer update

It want below authentication information :

Loading composer repositories with package information
    Authentication required (connect20.aveo-trade.cz):

But i don't have any username and password for connect20.aveo-trade.cz

Now what i have to do for upgrade?


2 Answers 2


Just open this link, If you don't have account on Magento marketplace then simply create it.After login into your account open the Access Keys link from My profile.

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After that click on Create new access keys button to generate key for you. After entering key name It will generate public key and private key for you. Public key is user name for you and private key is password for you. Now you can enter your user name and password in your command prompt.

enter image description here

  • i have account and when i run update command first it ask for repo.magento credentials and i enter that and credentials are proper after that it ask for connect20.aveo-trade.cz authentication Nov 17, 2016 at 12:58

Now i solved my issue by removing below code under 'repositories' section from composer.json file :

"atconnect": {
            "type": "composer",
            "url": "https://connect20.aveo-trade.cz"

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