# S3 CLI written in pure Go
We are using Go AMZ library under the LGPL v3 License for this CLI. To change the version being used by the CLI follow these steps:
- Install go
- Change the source code used for GoAMZ (whichever version you want), it's under src/launchpad.net/goamz
- Compile the new version with go/build
- Get the updated binary from out/s3
See GoAMZ home page for more details on the library: https://wiki.ubuntu.com/goamz