diff --git a/CHANGES/1772.bugfix.rst b/CHANGES/1772.bugfix.rst
new file mode 100644
index 00000000..084915d0
--- /dev/null
+++ b/CHANGES/1772.bugfix.rst
@@ -0,0 +1 @@
+Fixed Pydantic protected namespace warning for `model_custom_emoji_id` by adding `protected_namespaces=()` to `model_config`.
diff --git a/aiogram/types/base.py b/aiogram/types/base.py
index 7e47b564..ce75e84a 100644
--- a/aiogram/types/base.py
+++ b/aiogram/types/base.py
@@ -1,10 +1,9 @@
 from typing import Any
 from unittest.mock import sentinel
 
-from pydantic import BaseModel, ConfigDict, model_validator
-
 from aiogram.client.context_controller import BotContextController
 from aiogram.client.default import Default
+from pydantic import BaseModel, ConfigDict, model_validator
 
 
 class TelegramObject(BotContextController, BaseModel):
@@ -16,6 +15,7 @@ class TelegramObject(BotContextController, BaseModel):
         populate_by_name=True,
         arbitrary_types_allowed=True,
         defer_build=True,
+        protected_namespaces=(),
     )
 
     @model_validator(mode="before")