I don't think so, but I'm not a Go developer. I've asked on `#go-nuts` and been told,

>[21:00:48]  [hydrajump] Does go get always get the master version of a dependency?
>[21:01:14]  [axorb]	hydrajump: master branch, yep
>[21:01:46]  [hydrajump] Is that common with Go? I've been asked "Is there any way of pulling versions rather than master for each of these?"
>[21:01:53]  [cronos] hydrajump, it tries to look up branch named after go's release version, e.g. "go1"
>[21:02:09]  [cronos] but other than that, yeah, master
>[21:02:35]  [axorb] hydrajump: it's a common feature request, the ability to specify versions or branches