diff --git a/edit_message_caption.go b/edit_message_caption.go
new file mode 100644
index 0000000..92f7ed7
--- /dev/null
+++ b/edit_message_caption.go
@@ -0,0 +1,43 @@
+package telegram
+
+import json "github.com/pquerna/ffjson/ffjson"
+
+type EditMessageCaptionParameters struct {
+	// Required if inline_message_id is not specified. Unique identifier for the
+	// target chat or username of the target channel (in the format
+	// @channelusername)
+	ChatID int64 `json:"chat_id,omitempty"`
+
+	// Required if inline_message_id is not specified. Identifier of
+	// the sent message
+	MessageID int `json:"message_id,omitempty"`
+
+	// Required if chat_id and message_id are not specified. Identifier of the
+	// inline message
+	InlineMessageID string `json:"inline_message_id,omitempty"`
+
+	// New caption of the message
+	Caption string `json:"caption,omitempty"`
+
+	// A JSON-serialized object for an inline keyboard.
+	ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
+}
+
+// EditMessageCaption edit captions of messages sent by the bot or via the bot
+// (for inline bots). On success, if edited message is sent by the bot, the
+// edited Message is returned, otherwise True is returned.
+func (bot *Bot) EditMessageCaption(params *EditMessageCaptionParameters) (*Message, error) {
+	dst, err := json.Marshal(*params)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := bot.request(dst, "editMessageCaption", nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var data Message
+	err = json.Unmarshal(*resp.Result, &data)
+	return &data, err
+}