diff --git a/clone.go b/clone.go
index 50cfca4..bd7e754 100644
--- a/clone.go
+++ b/clone.go
@@ -97,6 +97,16 @@ func pathHack(gopath string) string {
 		return "go.googlesource.com/tools"
 	case "golang.org/x/xerrors":
 		return "go.googlesource.com/xerrors"
+	case "google.golang.org/protobuf":
+		return "go.googlesource.com/protobuf"
+	case "google.golang.org/genproto":
+		return "go.googlesource.com/genproto"
+	case "google.golang.org/api":
+		return "go.googlesource.com/api"
+	case "google.golang.org/grpc":
+		return "go.googlesource.com/grpc"
+	case "google.golang.org/appengine":
+		return "go.googlesource.com/appengine"
 	}
 
 	return gopath