diff --git a/v1/client.go b/v1/client.go
index c4a352e..a927584 100644
--- a/v1/client.go
+++ b/v1/client.go
@@ -912,6 +912,43 @@ func (c *MgClient) UploadFileByURL(request UploadFileByUrlRequest) (UploadFileRe
 	return resp, status, err
 }
 
+// UpdateFileMetadata update file metadata
+//
+// Example:
+//
+//	response, status, err := c.UpdateFileMetadata(UploadFileByUrlRequest{
+//		ID:  "e038aa39-2338-4285-be86-e2a0bb424daa"
+//		Transcription: "demo transcription",
+//	})
+//
+//	if err != nil {
+//		fmt.Printf("%v", err)
+//	}
+//
+//	fmt.Printf("%s\n%s", response.ID, status)
+func (c *MgClient) UpdateFileMetadata(request UpdateFileMetadataRequest) (UploadFileResponse, int, error) {
+	var resp UploadFileResponse
+	outgoing, err := json.Marshal(&request)
+	if err != nil {
+		return resp, 0, err
+	}
+
+	data, status, err := c.PutRequest(fmt.Sprintf("/files/%s/meta", request.ID), outgoing)
+	if err != nil {
+		return resp, status, err
+	}
+
+	if status != http.StatusOK {
+		return resp, status, c.Error(data)
+	}
+
+	if e := json.Unmarshal(data, &resp); e != nil {
+		return resp, status, e
+	}
+
+	return resp, status, err
+}
+
 type wsParams struct {
 	options []string
 }
diff --git a/v1/types.go b/v1/types.go
index 2b119a4..a627271 100644
--- a/v1/types.go
+++ b/v1/types.go
@@ -273,6 +273,11 @@ type (
 	UploadFileByUrlRequest struct {
 		Url string `json:"url"`
 	}
+
+	UpdateFileMetadataRequest struct {
+		ID            string `json:"-"`
+		Transcription string `json:"transcription,omitempty"`
+	}
 )
 
 // Response types
@@ -495,13 +500,21 @@ type (
 	}
 
 	Attachment struct {
-		ID         string  `json:"id"`
-		Mime       string  `json:"type"`
-		Caption    string  `json:"caption"`
-		Size       uint64  `json:"size"`
-		PreviewURL *string `json:"preview_url,omitempty"`
-		Height     *uint64 `json:"height,omitempty"`
-		Width      *uint64 `json:"width,omitempty"`
+		File
+
+		Caption string `json:"caption"`
+	}
+
+	File struct {
+		PreviewURL    *string `json:"preview_url,omitempty"`
+		Height        *uint64 `json:"height,omitempty"`
+		Width         *uint64 `json:"width,omitempty"`
+		Transcription string  `json:"transcription,omitempty"`
+		ID            string  `json:"id"`
+		Mime          string  `json:"type"`
+		Type          string  `json:"kind"`
+		Duration      int     `json:"duration,omitempty"`
+		Size          uint64  `json:"size"`
 	}
 
 	MessageProduct struct {