diff --git a/vendor/go.etcd.io/etcd/clientv3/cluster.go b/vendor/go.etcd.io/etcd/clientv3/cluster.go
index d497c05..ce97e5c 100644
--- a/vendor/go.etcd.io/etcd/clientv3/cluster.go
+++ b/vendor/go.etcd.io/etcd/clientv3/cluster.go
@@ -24,11 +24,12 @@
 )
 
 type (
-	Member               pb.Member
-	MemberListResponse   pb.MemberListResponse
-	MemberAddResponse    pb.MemberAddResponse
-	MemberRemoveResponse pb.MemberRemoveResponse
-	MemberUpdateResponse pb.MemberUpdateResponse
+	Member                pb.Member
+	MemberListResponse    pb.MemberListResponse
+	MemberAddResponse     pb.MemberAddResponse
+	MemberRemoveResponse  pb.MemberRemoveResponse
+	MemberUpdateResponse  pb.MemberUpdateResponse
+	MemberPromoteResponse pb.MemberPromoteResponse
 )
 
 type Cluster interface {
@@ -38,11 +39,17 @@
 	// MemberAdd adds a new member into the cluster.
 	MemberAdd(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error)
 
+	// MemberAddAsLearner adds a new learner member into the cluster.
+	MemberAddAsLearner(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error)
+
 	// MemberRemove removes an existing member from the cluster.
 	MemberRemove(ctx context.Context, id uint64) (*MemberRemoveResponse, error)
 
 	// MemberUpdate updates the peer addresses of the member.
 	MemberUpdate(ctx context.Context, id uint64, peerAddrs []string) (*MemberUpdateResponse, error)
+
+	// MemberPromote promotes a member from raft learner (non-voting) to raft voting member.
+	MemberPromote(ctx context.Context, id uint64) (*MemberPromoteResponse, error)
 }
 
 type cluster struct {
@@ -67,12 +74,23 @@
 }
 
 func (c *cluster) MemberAdd(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error) {
+	return c.memberAdd(ctx, peerAddrs, false)
+}
+
+func (c *cluster) MemberAddAsLearner(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error) {
+	return c.memberAdd(ctx, peerAddrs, true)
+}
+
+func (c *cluster) memberAdd(ctx context.Context, peerAddrs []string, isLearner bool) (*MemberAddResponse, error) {
 	// fail-fast before panic in rafthttp
 	if _, err := types.NewURLs(peerAddrs); err != nil {
 		return nil, err
 	}
 
-	r := &pb.MemberAddRequest{PeerURLs: peerAddrs}
+	r := &pb.MemberAddRequest{
+		PeerURLs:  peerAddrs,
+		IsLearner: isLearner,
+	}
 	resp, err := c.remote.MemberAdd(ctx, r, c.callOpts...)
 	if err != nil {
 		return nil, toErr(ctx, err)
@@ -112,3 +130,12 @@
 	}
 	return nil, toErr(ctx, err)
 }
+
+func (c *cluster) MemberPromote(ctx context.Context, id uint64) (*MemberPromoteResponse, error) {
+	r := &pb.MemberPromoteRequest{ID: id}
+	resp, err := c.remote.MemberPromote(ctx, r, c.callOpts...)
+	if err != nil {
+		return nil, toErr(ctx, err)
+	}
+	return (*MemberPromoteResponse)(resp), nil
+}