Configure custom build environments

By default, builds will run using the latest supported versions of our main tools - Ruby, PHP, Java and Node. However, if you have a project that requires a specific version of one of those tools, you can create your own custom build environment.

Head to Language Versions on the left hand side of the page, then update any of the main tools to use one of the versions provided.

Language versions

Once you've done so, future builds in that project will always use those versions of the tools.

Build environment