diff --git a/aiogram/types/message.py b/aiogram/types/message.py
index 0e074515..9a431249 100644
--- a/aiogram/types/message.py
+++ b/aiogram/types/message.py
@@ -183,3 +183,8 @@ class ContentType:
     SUCCESSFUL_PAYMENT = 'successful_payment'
 
     UNKNOWN = 'unknown'
+
+
+class ParseMode:
+    MARKDOWN = 'markdown'
+    HTML = 'html'