How to update FileZilla on Ubuntu?

It's in this repository.

You can add the repository and install it with the following commands.

sudo add-apt-repository ppa:n-muench/programs-ppa
sudo apt-get update
sudo apt-get install filezilla

All LTS packages have been moved here (for easier rebuilding):

sudo add-apt-repository ppa:n-muench/programs-ppa2

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