How to upgrade AWS CLI to the latest version?

I recently noticed that I am running an old version of AWS CLI that is lacking some functionality I need: $aws --version aws-cli/1.2.9 Python/3.4.3 Linux/3.13.0-85-generic How can I upgrade to the latest version of the AWS CLI (1.10.24)? Edit: Running the following command fails to update AWS CLI: $ pip install --upgrade awscli Requirement already up-to-date: awscli in /usr/local/lib/python2.7/dist-packages Cleaning up... Checking the version: $ aws --version aws-cli/1.2.9 Python/3.4.3 Linux/3.13.0-85-generic