diff --git a/aiogram/bot/api.py b/aiogram/bot/api.py
index 9589c3e5..0c2d572f 100644
--- a/aiogram/bot/api.py
+++ b/aiogram/bot/api.py
@@ -188,6 +188,7 @@ class Methods(Helper):
     UNBAN_CHAT_MEMBER = Item()  # unbanChatMember
     RESTRICT_CHAT_MEMBER = Item()  # restrictChatMember
     PROMOTE_CHAT_MEMBER = Item()  # promoteChatMember
+    SET_CHAT_ADMINISTRATOR_CUSTOM_TITLE = Item()  # setChatAdministratorCustomTitle
     SET_CHAT_PERMISSIONS = Item()  # setChatPermissions
     EXPORT_CHAT_INVITE_LINK = Item()  # exportChatInviteLink
     SET_CHAT_PHOTO = Item()  # setChatPhoto
diff --git a/aiogram/bot/bot.py b/aiogram/bot/bot.py
index 5e8f05d9..6f3d8eb8 100644
--- a/aiogram/bot/bot.py
+++ b/aiogram/bot/bot.py
@@ -1118,6 +1118,24 @@ class Bot(BaseBot, DataMixin, ContextInstanceMixin):
 
         result = await self.request(api.Methods.PROMOTE_CHAT_MEMBER, payload)
         return result
+    
+    async def set_chat_administrator_custom_title(self, chat_id: typing.Union[base.Integer, base.String], user_id: base.Integer, custom_title: base.String) -> base.Boolean:
+        """
+        Use this method to set a custom title for an administrator in a supergroup promoted by the bot.
+
+        Returns True on success.
+
+        Source: https://core.telegram.org/bots/api#setchatadministratorcustomtitle
+
+        :param chat_id: Unique identifier for the target chat or username of the target supergroup
+        :param user_id: Unique identifier of the target user
+        :param custom_title: New custom title for the administrator; 0-16 characters, emoji are not allowed
+        :return: True on success.
+        """
+        payload = generate_payload(**locals())
+
+        result = await self.request(api.Methods.SET_CHAT_ADMINISTRATOR_CUSTOM_TITLE, payload)
+        return result
 
     async def set_chat_permissions(self, chat_id: typing.Union[base.Integer, base.String],
                                    permissions: types.ChatPermissions) -> base.Boolean:
diff --git a/aiogram/types/animation.py b/aiogram/types/animation.py
index fd470b38..78f5235a 100644
--- a/aiogram/types/animation.py
+++ b/aiogram/types/animation.py
@@ -14,6 +14,7 @@ class Animation(base.TelegramObject, mixins.Downloadable):
     """
 
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     thumb: PhotoSize = fields.Field(base=PhotoSize)
     file_name: base.String = fields.Field()
     mime_type: base.String = fields.Field()
diff --git a/aiogram/types/audio.py b/aiogram/types/audio.py
index 9423d02c..6859668f 100644
--- a/aiogram/types/audio.py
+++ b/aiogram/types/audio.py
@@ -11,6 +11,7 @@ class Audio(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#audio
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     duration: base.Integer = fields.Field()
     performer: base.String = fields.Field()
     title: base.String = fields.Field()
diff --git a/aiogram/types/chat.py b/aiogram/types/chat.py
index d56ee0fa..bd475f59 100644
--- a/aiogram/types/chat.py
+++ b/aiogram/types/chat.py
@@ -30,6 +30,7 @@ class Chat(base.TelegramObject):
     invite_link: base.String = fields.Field()
     pinned_message: 'Message' = fields.Field(base='Message')
     permissions: ChatPermissions = fields.Field(base=ChatPermissions)
+    slow_mode_delay: base.Integer = fields.Field()
     sticker_set_name: base.String = fields.Field()
     can_set_sticker_set: base.Boolean = fields.Field()
 
@@ -296,6 +297,20 @@ class Chat(base.TelegramObject):
                                                   can_pin_messages=can_pin_messages,
                                                   can_promote_members=can_promote_members)
 
+    async def set_administrator_custom_title(self, user_id: base.Integer, custom_title: base.String) -> base.Boolean:
+        """
+        Use this method to set a custom title for an administrator in a supergroup promoted by the bot.
+
+        Returns True on success.
+
+        Source: https://core.telegram.org/bots/api#setchatadministratorcustomtitle
+
+        :param user_id: Unique identifier of the target user
+        :param custom_title: New custom title for the administrator; 0-16 characters, emoji are not allowed
+        :return: True on success.
+        """
+        return await self.bot.set_chat_administrator_custom_title(chat_id=self.id, user_id=user_id, custom_title=custom_title)
+
     async def pin_message(self, message_id: int, disable_notification: bool = False):
         """
         Use this method to pin a message in a supergroup.
diff --git a/aiogram/types/chat_member.py b/aiogram/types/chat_member.py
index 7e05a33f..347b2750 100644
--- a/aiogram/types/chat_member.py
+++ b/aiogram/types/chat_member.py
@@ -16,6 +16,7 @@ class ChatMember(base.TelegramObject):
     """
     user: User = fields.Field(base=User)
     status: base.String = fields.Field()
+    custom_title: base.String = fields.Field()
     until_date: datetime.datetime = fields.DateTimeField()
     can_be_edited: base.Boolean = fields.Field()
     can_change_info: base.Boolean = fields.Field()
diff --git a/aiogram/types/chat_photo.py b/aiogram/types/chat_photo.py
index 08775d93..d0282a58 100644
--- a/aiogram/types/chat_photo.py
+++ b/aiogram/types/chat_photo.py
@@ -12,7 +12,9 @@ class ChatPhoto(base.TelegramObject):
     https://core.telegram.org/bots/api#chatphoto
     """
     small_file_id: base.String = fields.Field()
+    small_file_unique_id: base.String = fields.Field()
     big_file_id: base.String = fields.Field()
+    big_file_unique_id: base.String = fields.Field()
 
     async def download_small(self, destination=None, timeout=30, chunk_size=65536, seek=True, make_dirs=True):
         """
diff --git a/aiogram/types/document.py b/aiogram/types/document.py
index 32d943d8..e15b745d 100644
--- a/aiogram/types/document.py
+++ b/aiogram/types/document.py
@@ -11,6 +11,7 @@ class Document(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#document
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     thumb: PhotoSize = fields.Field(base=PhotoSize)
     file_name: base.String = fields.Field()
     mime_type: base.String = fields.Field()
diff --git a/aiogram/types/file.py b/aiogram/types/file.py
index f3269f29..ae813ac6 100644
--- a/aiogram/types/file.py
+++ b/aiogram/types/file.py
@@ -17,5 +17,6 @@ class File(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#file
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     file_size: base.Integer = fields.Field()
     file_path: base.String = fields.Field()
diff --git a/aiogram/types/passport_file.py b/aiogram/types/passport_file.py
index f00e80c7..de59e66b 100644
--- a/aiogram/types/passport_file.py
+++ b/aiogram/types/passport_file.py
@@ -9,7 +9,7 @@ class PassportFile(base.TelegramObject):
 
     https://core.telegram.org/bots/api#passportfile
     """
-
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     file_size: base.Integer = fields.Field()
     file_date: base.Integer = fields.Field()
diff --git a/aiogram/types/photo_size.py b/aiogram/types/photo_size.py
index c7ba59b6..cca95304 100644
--- a/aiogram/types/photo_size.py
+++ b/aiogram/types/photo_size.py
@@ -10,6 +10,7 @@ class PhotoSize(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#photosize
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     width: base.Integer = fields.Field()
     height: base.Integer = fields.Field()
     file_size: base.Integer = fields.Field()
diff --git a/aiogram/types/sticker.py b/aiogram/types/sticker.py
index 8da1e9eb..3319d6d7 100644
--- a/aiogram/types/sticker.py
+++ b/aiogram/types/sticker.py
@@ -12,6 +12,7 @@ class Sticker(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#sticker
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     width: base.Integer = fields.Field()
     height: base.Integer = fields.Field()
     is_animated: base.Boolean = fields.Field()
diff --git a/aiogram/types/video.py b/aiogram/types/video.py
index bf5187cd..97dbb90f 100644
--- a/aiogram/types/video.py
+++ b/aiogram/types/video.py
@@ -11,6 +11,7 @@ class Video(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#video
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     width: base.Integer = fields.Field()
     height: base.Integer = fields.Field()
     duration: base.Integer = fields.Field()
diff --git a/aiogram/types/video_note.py b/aiogram/types/video_note.py
index 9665b6bc..8702faae 100644
--- a/aiogram/types/video_note.py
+++ b/aiogram/types/video_note.py
@@ -11,6 +11,7 @@ class VideoNote(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#videonote
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     length: base.Integer = fields.Field()
     duration: base.Integer = fields.Field()
     thumb: PhotoSize = fields.Field(base=PhotoSize)
diff --git a/aiogram/types/voice.py b/aiogram/types/voice.py
index 621f2247..fd88e402 100644
--- a/aiogram/types/voice.py
+++ b/aiogram/types/voice.py
@@ -10,6 +10,7 @@ class Voice(base.TelegramObject, mixins.Downloadable):
     https://core.telegram.org/bots/api#voice
     """
     file_id: base.String = fields.Field()
+    file_unique_id: base.String = fields.Field()
     duration: base.Integer = fields.Field()
     mime_type: base.String = fields.Field()
     file_size: base.Integer = fields.Field()