How can I upgrade a Symfony2 app that is hosting my site?

I maked site on 2.0.7, today's actual version is 2.0.9. And I'm quite new to Symfony2. How I can upgrade my Symfony app without any problems?

Solution

Just get the deps and deps.lock files linked in the announcement on the symfony blog and run

php bin/vendors install

That will do the trick

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