diff --git a/configs.go b/configs.go
index 1831337b..9b6f194d 100644
--- a/configs.go
+++ b/configs.go
@@ -265,6 +265,7 @@ func (CloseConfig) params() (Params, error) {
 // BaseChat is base type for all chat config types.
 type BaseChat struct {
 	ChatID                   int64 // required
+	ThreadID                 int   // optional
 	ChannelUsername          string
 	ProtectContent           bool
 	ReplyToMessageID         int
@@ -278,6 +279,7 @@ func (chat *BaseChat) params() (Params, error) {
 
 	params.AddFirstValid("chat_id", chat.ChatID, chat.ChannelUsername)
 	params.AddNonZero("reply_to_message_id", chat.ReplyToMessageID)
+	params.AddNonZero("message_thread_id", chat.ThreadID)
 	params.AddBool("disable_notification", chat.DisableNotification)
 	params.AddBool("allow_sending_without_reply", chat.AllowSendingWithoutReply)
 	params.AddBool("protect_content", chat.ProtectContent)
diff --git a/helpers.go b/helpers.go
index 3a0e8187..18ec5d4e 100644
--- a/helpers.go
+++ b/helpers.go
@@ -25,6 +25,21 @@ func NewMessage(chatID int64, text string) MessageConfig {
 	}
 }
 
+// NewTopicMessage creates a new Message which will be sent to a topic thread.
+//
+// chatID is where to send it, topicID is the topic thread id, text is the message text.
+func NewTopicMessage(chatID int64, topicID int, text string) MessageConfig {
+	return MessageConfig{
+		BaseChat: BaseChat{
+			ChatID:           chatID,
+			ThreadID:         topicID,
+			ReplyToMessageID: 0,
+		},
+		Text:                  text,
+		DisableWebPagePreview: false,
+	}
+}
+
 // NewDeleteMessage creates a request to delete a message.
 func NewDeleteMessage(chatID int64, messageID int) DeleteMessageConfig {
 	return DeleteMessageConfig{
diff --git a/types.go b/types.go
index 36c174b8..9235a888 100644
--- a/types.go
+++ b/types.go
@@ -361,6 +361,8 @@ func (c Chat) ChatConfig() ChatConfig {
 type Message struct {
 	// MessageID is a unique message identifier inside this chat
 	MessageID int `json:"message_id"`
+	// Optional. Unique identifier of a message thread to which the message belongs; for supergroups only
+	MessageThreadID int `json:"message_thread_id"`
 	// From is a sender, empty for messages sent to channels;
 	//
 	// optional