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