diff --git a/.dockerignore b/.dockerignore
index e685645..bbc9af0 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -13,4 +13,4 @@
 **/*Dockerfile*
 LICENSE
 README.md
-.ruff.toml
+pyproject.toml
diff --git a/app_bot/requirements.txt b/app_bot/requirements.txt
index c5316c1..28a79d7 100644
--- a/app_bot/requirements.txt
+++ b/app_bot/requirements.txt
@@ -1,5 +1,4 @@
 PyYAML==6.0.1
-addict==2.4.0
 pyrofork==2.3.21.post3
 tenacity==8.2.3
 tgcrypto-pyrofork==1.2.6
diff --git a/app_worker/worker/core/tasks/encode.py b/app_worker/worker/core/tasks/encode.py
index 11109f0..3802cbb 100644
--- a/app_worker/worker/core/tasks/encode.py
+++ b/app_worker/worker/core/tasks/encode.py
@@ -53,7 +53,7 @@ class EncodeToH264Task(AbstractFfBinaryTask):
 
         proc = await self._run_proc(cmd)
         if not proc:
-            return None
+            return
 
         stdout, stderr = await self._get_stdout_stderr(proc)
         self._log.info(
diff --git a/.ruff.toml b/pyproject.toml
similarity index 51%
rename from .ruff.toml
rename to pyproject.toml
index ddbe1d2..f5a5858 100644
--- a/.ruff.toml
+++ b/pyproject.toml
@@ -1,11 +1,15 @@
+[tool.ruff]
 line-length = 88
+indent-width = 4
+target-version = "py312"
 src = ["app_api", "app_bot", "app_worker"]
+required-version = ">=0.3.4"
 
-[lint]
-select = ["F", "E", "W", "I001"]
+[tool.ruff.lint]
+select = ["F", "E", "W", "I001", "RET", "SLF001"]
 ignore = ["E501"]  # Skip line length violations
 
-[format]
+[tool.ruff.format]
 indent-style = "space"
 quote-style = "single"
 line-ending = "lf"
diff --git a/yt_shared/setup.py b/yt_shared/setup.py
index 8f8cdc1..8903488 100644
--- a/yt_shared/setup.py
+++ b/yt_shared/setup.py
@@ -24,6 +24,7 @@ setup(
         'Intended Audience :: Developers',
         'Natural Language :: English',
         'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
     ],
     description='Common shared utils for yt downloader bot',
     install_requires=get_requirements(),
diff --git a/yt_shared/yt_shared/clients/github.py b/yt_shared/yt_shared/clients/github.py
index 9ac6cfe..123be2a 100644
--- a/yt_shared/yt_shared/clients/github.py
+++ b/yt_shared/yt_shared/clients/github.py
@@ -5,7 +5,7 @@ import aiohttp
 from yt_shared.schemas.ytdlp import LatestVersion
 
 
-class YtDlpGithubClient:
+class YtdlpGithubClient:
     """yt-dlp Github version number checker."""
 
     LATEST_TAG_URL = 'https://github.com/yt-dlp/yt-dlp/releases/latest'
diff --git a/yt_shared/yt_shared/ytdlp/version_checker.py b/yt_shared/yt_shared/ytdlp/version_checker.py
index c566b92..5bd2f40 100644
--- a/yt_shared/yt_shared/ytdlp/version_checker.py
+++ b/yt_shared/yt_shared/ytdlp/version_checker.py
@@ -2,7 +2,7 @@ import asyncio
 import logging
 
 from sqlalchemy.ext.asyncio import AsyncSession
-from yt_shared.clients.github import YtDlpGithubClient
+from yt_shared.clients.github import YtdlpGithubClient
 from yt_shared.repositories.ytdlp import YtdlpRepository
 from yt_shared.schemas.ytdlp import CurrentVersion, LatestVersion, VersionContext
 
@@ -15,7 +15,7 @@ class YtdlpVersionChecker:
     def __init__(self) -> None:
         self._log = logging.getLogger(self.__class__.__name__)
         self._ytdlp_repository = YtdlpRepository()
-        self._ytdlp_client = YtDlpGithubClient()
+        self._ytdlp_client = YtdlpGithubClient()
 
     async def get_version_context(self, db: AsyncSession) -> VersionContext:
         latest, current = await asyncio.gather(