can't build request-cert binary

I follow the instructions in README.md but I get error when trying to fetch dependencies via `go get ./...` command.

```
$ go get ./...
# k8s.io/client-go/transport
../../../k8s.io/client-go/transport/round_trippers.go:70:11: cannot convert klog.V(9) (type klog.Verbose) to type bool
../../../k8s.io/client-go/transport/round_trippers.go:72:11: cannot convert klog.V(8) (type klog.Verbose) to type bool
../../../k8s.io/client-go/transport/round_trippers.go:74:11: cannot convert klog.V(7) (type klog.Verbose) to type bool
../../../k8s.io/client-go/transport/round_trippers.go:76:11: cannot convert klog.V(6) (type klog.Verbose) to type bool
```
golang version is 1.13 and tried with 1.10, 1.11 and others, no success