diff --git a/notifiers/providers/telegram.py b/notifiers/providers/telegram.py
index c2c8f710..d556bfd7 100644
--- a/notifiers/providers/telegram.py
+++ b/notifiers/providers/telegram.py
@@ -49,7 +49,7 @@ class Telegram(TelegramMixin, Provider):
 
     _resources = {"updates": TelegramUpdates()}
 
-    _required = {"required": ["message", "chat_id", "token"]}
+    _required = {"required": ["message", "chat_id", "token", "message_thread_id"]}
     _schema = {
         "type": "object",
         "properties": {
@@ -59,6 +59,10 @@ class Telegram(TelegramMixin, Provider):
                 "maxLength": 4096,
             },
             "token": {"type": "string", "title": "Bot token"},
+            "message_thread_id": {
+                "oneOf": [{"type": "string"}, {"type": "integer"}],
+                "title": "Thread ID",
+            },
             "chat_id": {
                 "oneOf": [{"type": "string"}, {"type": "integer"}],
                 "title": "Unique identifier for the target chat or username of the target channel "
diff --git a/source/conf.py b/source/conf.py
index 6f39d52c..ec3e4771 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -76,7 +76,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = 'en'
+language = "en"
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.