diff --git a/pyrogram/client/types/voice.py b/pyrogram/client/types/voice.py
index 8abe54eb..51ff32c8 100644
--- a/pyrogram/client/types/voice.py
+++ b/pyrogram/client/types/voice.py
@@ -32,17 +32,36 @@ class Voice(Object):
         duration (``int`` ``32-bit``):
             Duration of the audio in seconds as defined by sender.
 
+        thumb (:obj:`PhotoSize <pyrogram.types.PhotoSize>`, optional):
+            Voice thumbnail.
+
+        file_name (``str``, optional):
+            Voice file name.
+
         mime_type (``str``, optional):
             MIME type of the file as defined by sender.
 
         file_size (``int`` ``32-bit``, optional):
             File size.
 
+        date (``int``, optional):
+            Date the voice was sent in Unix time.
     """
     ID = 0xb0700009
 
-    def __init__(self, file_id, duration, mime_type=None, file_size=None):
+    def __init__(
+            self,
+            file_id: str,
+            duration: int,
+            thumb=None,
+            file_name: str = None,
+            mime_type: str = None,
+            file_size: int = None,
+            date: int = None):
         self.file_id = file_id  # string
+        self.thumb = thumb  # flags.0?PhotoSize
+        self.file_name = file_name  # flags.1?string
+        self.mime_type = mime_type  # flags.2?string
+        self.file_size = file_size  # flags.3?int
+        self.date = date  # flags.4?int
         self.duration = duration  # int
-        self.mime_type = mime_type  # flags.0?string
-        self.file_size = file_size  # flags.1?int