diff --git a/.butcher/enums/StickerType.yml b/.butcher/enums/StickerType.yml
new file mode 100644
index 00000000..5fd3542e
--- /dev/null
+++ b/.butcher/enums/StickerType.yml
@@ -0,0 +1,9 @@
+name: StickerType
+description: |
+  The part of the face relative to which the mask should be placed.
+
+  Source: https://core.telegram.org/bots/api#maskposition
+parse:
+  entity: Sticker
+  attribute: type
+  regexp: "'([a-z_]+)'"
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ffe7b117..870c3366 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -33,17 +33,17 @@ repos:
         args: [ '--config=.flake8' ]
         files: *files
 
-  - repo: https://github.com/floatingpurr/sync_with_poetry
-    rev: 0.2.0
-    hooks:
-      - id: sync_with_poetry
+#  - repo: https://github.com/floatingpurr/sync_with_poetry
+#    rev: 0.2.0
+#    hooks:
+#      - id: sync_with_poetry
 
   - repo: https://github.com/python-poetry/poetry
     rev: '1.2.1'
     hooks:
       - id: poetry-check
-      - id: poetry-lock
-        args: [ "--no-update" ]
+#      - id: poetry-lock
+#        args: [ "--no-update" ]
       - id: poetry-export
         args: [ "-f",  "requirements.txt", "--without-hashes", "-o", "requirements/base.txt" ]
       - id: poetry-export
diff --git a/aiogram/enums/sticker_type.py b/aiogram/enums/sticker_type.py
new file mode 100644
index 00000000..748f85e6
--- /dev/null
+++ b/aiogram/enums/sticker_type.py
@@ -0,0 +1,13 @@
+from enum import Enum
+
+
+class StickerType(str, Enum):
+    """
+    The part of the face relative to which the mask should be placed.
+
+    Source: https://core.telegram.org/bots/api#maskposition
+    """
+
+    REGULAR = "regular"
+    MASK = "mask"
+    CUSTOM_EMOJI = "custom_emoji"
diff --git a/aiogram/utils/enum.py b/aiogram/utils/enum.py
deleted file mode 100644
index b239ebc0..00000000
--- a/aiogram/utils/enum.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import enum
-from typing import Any, List
-
-
-class AutoName(str, enum.Enum):
-    @staticmethod
-    def _generate_next_value_(name: str, start: int, count: int, last_values: List[Any]) -> str:
-        return name.lower()
diff --git a/docs/api/enums/index.rst b/docs/api/enums/index.rst
index e0eff3cf..a95836a0 100644
--- a/docs/api/enums/index.rst
+++ b/docs/api/enums/index.rst
@@ -21,5 +21,6 @@ Here is list of all available enums:
     message_entity_type
     parse_mode
     poll_type
+    sticker_type
     topic_icon_color
     update_type
diff --git a/docs/api/enums/sticker_type.rst b/docs/api/enums/sticker_type.rst
new file mode 100644
index 00000000..549c1d27
--- /dev/null
+++ b/docs/api/enums/sticker_type.rst
@@ -0,0 +1,9 @@
+###########
+StickerType
+###########
+
+
+.. automodule:: aiogram.enums.sticker_type
+    :members:
+    :member-order: bysource
+    :undoc-members: True