diff --git a/vendor/go.etcd.io/etcd/clientv3/auth.go b/vendor/go.etcd.io/etcd/clientv3/auth.go
index c954f1b..edccf1a 100644
--- a/vendor/go.etcd.io/etcd/clientv3/auth.go
+++ b/vendor/go.etcd.io/etcd/clientv3/auth.go
@@ -19,8 +19,9 @@
 	"fmt"
 	"strings"
 
-	"go.etcd.io/etcd/auth/authpb"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	"github.com/coreos/etcd/auth/authpb"
+	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+
 	"google.golang.org/grpc"
 )
 
@@ -52,8 +53,6 @@
 	PermReadWrite = authpb.READWRITE
 )
 
-type UserAddOptions authpb.UserAddOptions
-
 type Auth interface {
 	// AuthEnable enables auth of an etcd cluster.
 	AuthEnable(ctx context.Context) (*AuthEnableResponse, error)
@@ -64,9 +63,6 @@
 	// UserAdd adds a new user to an etcd cluster.
 	UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error)
 
-	// UserAddWithOptions adds a new user to an etcd cluster with some options.
-	UserAddWithOptions(ctx context.Context, name string, password string, opt *UserAddOptions) (*AuthUserAddResponse, error)
-
 	// UserDelete deletes a user from an etcd cluster.
 	UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error)
 
@@ -104,75 +100,70 @@
 	RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error)
 }
 
-type authClient struct {
+type auth struct {
 	remote   pb.AuthClient
 	callOpts []grpc.CallOption
 }
 
 func NewAuth(c *Client) Auth {
-	api := &authClient{remote: RetryAuthClient(c)}
+	api := &auth{remote: RetryAuthClient(c)}
 	if c != nil {
 		api.callOpts = c.callOpts
 	}
 	return api
 }
 
-func (auth *authClient) AuthEnable(ctx context.Context) (*AuthEnableResponse, error) {
+func (auth *auth) AuthEnable(ctx context.Context) (*AuthEnableResponse, error) {
 	resp, err := auth.remote.AuthEnable(ctx, &pb.AuthEnableRequest{}, auth.callOpts...)
 	return (*AuthEnableResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) AuthDisable(ctx context.Context) (*AuthDisableResponse, error) {
+func (auth *auth) AuthDisable(ctx context.Context) (*AuthDisableResponse, error) {
 	resp, err := auth.remote.AuthDisable(ctx, &pb.AuthDisableRequest{}, auth.callOpts...)
 	return (*AuthDisableResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error) {
-	resp, err := auth.remote.UserAdd(ctx, &pb.AuthUserAddRequest{Name: name, Password: password, Options: &authpb.UserAddOptions{NoPassword: false}}, auth.callOpts...)
+func (auth *auth) UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error) {
+	resp, err := auth.remote.UserAdd(ctx, &pb.AuthUserAddRequest{Name: name, Password: password}, auth.callOpts...)
 	return (*AuthUserAddResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserAddWithOptions(ctx context.Context, name string, password string, options *UserAddOptions) (*AuthUserAddResponse, error) {
-	resp, err := auth.remote.UserAdd(ctx, &pb.AuthUserAddRequest{Name: name, Password: password, Options: (*authpb.UserAddOptions)(options)}, auth.callOpts...)
-	return (*AuthUserAddResponse)(resp), toErr(ctx, err)
-}
-
-func (auth *authClient) UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error) {
+func (auth *auth) UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error) {
 	resp, err := auth.remote.UserDelete(ctx, &pb.AuthUserDeleteRequest{Name: name}, auth.callOpts...)
 	return (*AuthUserDeleteResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserChangePassword(ctx context.Context, name string, password string) (*AuthUserChangePasswordResponse, error) {
+func (auth *auth) UserChangePassword(ctx context.Context, name string, password string) (*AuthUserChangePasswordResponse, error) {
 	resp, err := auth.remote.UserChangePassword(ctx, &pb.AuthUserChangePasswordRequest{Name: name, Password: password}, auth.callOpts...)
 	return (*AuthUserChangePasswordResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserGrantRole(ctx context.Context, user string, role string) (*AuthUserGrantRoleResponse, error) {
+func (auth *auth) UserGrantRole(ctx context.Context, user string, role string) (*AuthUserGrantRoleResponse, error) {
 	resp, err := auth.remote.UserGrantRole(ctx, &pb.AuthUserGrantRoleRequest{User: user, Role: role}, auth.callOpts...)
 	return (*AuthUserGrantRoleResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserGet(ctx context.Context, name string) (*AuthUserGetResponse, error) {
+func (auth *auth) UserGet(ctx context.Context, name string) (*AuthUserGetResponse, error) {
 	resp, err := auth.remote.UserGet(ctx, &pb.AuthUserGetRequest{Name: name}, auth.callOpts...)
 	return (*AuthUserGetResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserList(ctx context.Context) (*AuthUserListResponse, error) {
+func (auth *auth) UserList(ctx context.Context) (*AuthUserListResponse, error) {
 	resp, err := auth.remote.UserList(ctx, &pb.AuthUserListRequest{}, auth.callOpts...)
 	return (*AuthUserListResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) UserRevokeRole(ctx context.Context, name string, role string) (*AuthUserRevokeRoleResponse, error) {
+func (auth *auth) UserRevokeRole(ctx context.Context, name string, role string) (*AuthUserRevokeRoleResponse, error) {
 	resp, err := auth.remote.UserRevokeRole(ctx, &pb.AuthUserRevokeRoleRequest{Name: name, Role: role}, auth.callOpts...)
 	return (*AuthUserRevokeRoleResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) RoleAdd(ctx context.Context, name string) (*AuthRoleAddResponse, error) {
+func (auth *auth) RoleAdd(ctx context.Context, name string) (*AuthRoleAddResponse, error) {
 	resp, err := auth.remote.RoleAdd(ctx, &pb.AuthRoleAddRequest{Name: name}, auth.callOpts...)
 	return (*AuthRoleAddResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) RoleGrantPermission(ctx context.Context, name string, key, rangeEnd string, permType PermissionType) (*AuthRoleGrantPermissionResponse, error) {
+func (auth *auth) RoleGrantPermission(ctx context.Context, name string, key, rangeEnd string, permType PermissionType) (*AuthRoleGrantPermissionResponse, error) {
 	perm := &authpb.Permission{
 		Key:      []byte(key),
 		RangeEnd: []byte(rangeEnd),
@@ -182,22 +173,22 @@
 	return (*AuthRoleGrantPermissionResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) RoleGet(ctx context.Context, role string) (*AuthRoleGetResponse, error) {
+func (auth *auth) RoleGet(ctx context.Context, role string) (*AuthRoleGetResponse, error) {
 	resp, err := auth.remote.RoleGet(ctx, &pb.AuthRoleGetRequest{Role: role}, auth.callOpts...)
 	return (*AuthRoleGetResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) RoleList(ctx context.Context) (*AuthRoleListResponse, error) {
+func (auth *auth) RoleList(ctx context.Context) (*AuthRoleListResponse, error) {
 	resp, err := auth.remote.RoleList(ctx, &pb.AuthRoleListRequest{}, auth.callOpts...)
 	return (*AuthRoleListResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) RoleRevokePermission(ctx context.Context, role string, key, rangeEnd string) (*AuthRoleRevokePermissionResponse, error) {
-	resp, err := auth.remote.RoleRevokePermission(ctx, &pb.AuthRoleRevokePermissionRequest{Role: role, Key: []byte(key), RangeEnd: []byte(rangeEnd)}, auth.callOpts...)
+func (auth *auth) RoleRevokePermission(ctx context.Context, role string, key, rangeEnd string) (*AuthRoleRevokePermissionResponse, error) {
+	resp, err := auth.remote.RoleRevokePermission(ctx, &pb.AuthRoleRevokePermissionRequest{Role: role, Key: key, RangeEnd: rangeEnd}, auth.callOpts...)
 	return (*AuthRoleRevokePermissionResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *authClient) RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error) {
+func (auth *auth) RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error) {
 	resp, err := auth.remote.RoleDelete(ctx, &pb.AuthRoleDeleteRequest{Role: role}, auth.callOpts...)
 	return (*AuthRoleDeleteResponse)(resp), toErr(ctx, err)
 }