diff --git a/telebot/__init__.py b/telebot/__init__.py
index bf94fd5..95ec936 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -4648,8 +4648,8 @@ class TeleBot:
 
     def edit_forum_topic(
             self, chat_id: Union[int, str],
-            message_thread_id: int, name: str,
-            icon_custom_emoji_id: str,
+            message_thread_id: int, name: Optional[str]=None,
+            icon_custom_emoji_id: Optional[str]=None
         ) -> bool:
         """
         Use this method to edit name and icon of a topic in a forum supergroup chat. The bot must be an
@@ -4664,10 +4664,13 @@ class TeleBot:
         :param message_thread_id: Identifier of the topic to edit
         :type message_thread_id: :obj:`int`
 
-        :param name: New name of the topic, 1-128 characters
+        :param name: Optional, New name of the topic, 1-128 characters. If not specififed or empty,
+            the current name of the topic will be kept
         :type name: :obj:`str`
 
-        :param icon_custom_emoji_id: New custom emoji for the topic icon. Must be an emoji of type “tgs” and must be exactly 1 character long
+        :param icon_custom_emoji_id: Optional, New unique identifier of the custom emoji shown as the topic icon.
+            Use getForumTopicIconStickers to get all allowed custom emoji identifiers. Pass an empty string to remove the
+            icon. If not specified, the current icon will be kept
         :type icon_custom_emoji_id: :obj:`str`
 
         :return: On success, True is returned.
diff --git a/telebot/apihelper.py b/telebot/apihelper.py
index 005ac33..4f56705 100644
--- a/telebot/apihelper.py
+++ b/telebot/apihelper.py
@@ -1773,9 +1773,13 @@ def create_forum_topic(token, chat_id, name, icon_color=None, icon_custom_emoji_
         payload['icon_custom_emoji_id'] = icon_custom_emoji_id
     return _make_request(token, method_url, params=payload)
 
-def edit_forum_topic(token, chat_id, message_thread_id, name, icon_custom_emoji_id):
+def edit_forum_topic(token, chat_id, message_thread_id, name=None, icon_custom_emoji_id=None):
     method_url = r'editForumTopic'
-    payload = {'chat_id': chat_id, 'message_thread_id': message_thread_id, 'name': name, 'icon_custom_emoji_id': icon_custom_emoji_id}
+    payload = {'chat_id': chat_id, 'message_thread_id': message_thread_id}
+    if name is not None:
+        payload['name'] = name
+    if icon_custom_emoji_id is not None:
+        payload['icon_custom_emoji_id'] = icon_custom_emoji_id
     return _make_request(token, method_url, params=payload)
 
 def close_forum_topic(token, chat_id, message_thread_id):
diff --git a/telebot/async_telebot.py b/telebot/async_telebot.py
index bbaeb53..65accb8 100644
--- a/telebot/async_telebot.py
+++ b/telebot/async_telebot.py
@@ -5514,8 +5514,8 @@ class AsyncTeleBot:
 
     async def edit_forum_topic(
             self, chat_id: Union[int, str],
-            message_thread_id: int, name: str,
-            icon_custom_emoji_id: str,
+            message_thread_id: int, name: Optional[str]=None,
+            icon_custom_emoji_id: Optional[str]=None
         ) -> bool:
         """
         Use this method to edit name and icon of a topic in a forum supergroup chat. The bot must be an
@@ -5530,10 +5530,13 @@ class AsyncTeleBot:
         :param message_thread_id: Identifier of the topic to edit
         :type message_thread_id: :obj:`int`
 
-        :param name: New name of the topic, 1-128 characters
+        :param name: Optional, New name of the topic, 1-128 characters. If not specififed or empty,
+            the current name of the topic will be kept
         :type name: :obj:`str`
 
-        :param icon_custom_emoji_id: New custom emoji for the topic icon. Must be an emoji of type “tgs” and must be exactly 1 character long
+        :param icon_custom_emoji_id: Optional, New unique identifier of the custom emoji shown as the topic icon.
+            Use getForumTopicIconStickers to get all allowed custom emoji identifiers. Pass an empty string to remove the
+            icon. If not specified, the current icon will be kept
         :type icon_custom_emoji_id: :obj:`str`
 
         :return: On success, True is returned.
diff --git a/telebot/asyncio_helper.py b/telebot/asyncio_helper.py
index 2ae1934..8bbdc3d 100644
--- a/telebot/asyncio_helper.py
+++ b/telebot/asyncio_helper.py
@@ -1764,9 +1764,13 @@ async def create_forum_topic(token, chat_id, name, icon_color=None, icon_custom_
         payload['icon_custom_emoji_id'] = icon_custom_emoji_id
     return await _process_request(token, method_url, params=payload)
 
-async def edit_forum_topic(token, chat_id, message_thread_id, name, icon_custom_emoji_id):
+async def edit_forum_topic(token, chat_id, message_thread_id, name=None, icon_custom_emoji_id=None):
     method_url = r'editForumTopic'
-    payload = {'chat_id': chat_id, 'message_thread_id': message_thread_id, 'name': name, 'icon_custom_emoji_id': icon_custom_emoji_id}
+    payload = {'chat_id': chat_id, 'message_thread_id': message_thread_id}
+    if name is not None:
+        payload['name'] = name
+    if icon_custom_emoji_id is not None:
+        payload['icon_custom_emoji_id'] = icon_custom_emoji_id
     return await _process_request(token, method_url, params=payload)
 
 async def close_forum_topic(token, chat_id, message_thread_id):