diff --git a/DEVELOP.md b/DEVELOP.md
index 353a9ea..868f2da 100644
--- a/DEVELOP.md
+++ b/DEVELOP.md
@@ -3,16 +3,16 @@
 Clone repository (fork and clone your own repo for contributions) and install project with [Poetry](https://python-poetry.org/docs/)
 
 ```bash
-$ git clone git@github.com:bmwant/leak.git
-$ cd leak
-$ poetry install
+git clone git@github.com:bmwant/leak.git
+cd leak
+poetry install
 ```
 
 Set `LEAK_DEBUG` environment variable for the extra internal logging while developing
 
 ```bash
-$ export LEAK_DEBUG=1
-$ poetry run leak requests
+export LEAK_DEBUG=1
+poetry run leak requests
 ```
 
 ### Testing
@@ -20,15 +20,15 @@ $ poetry run leak requests
 Unittests are written using [pytest](https://docs.pytest.org/en/latest/).
 
 ```bash
-$ poetry run pytest -sv tests
+poetry run pytest -sv tests
 # or
-$ make tests
+make tests
 ```
 
 or to test on all possible environments
 
 ```bash
-$ poetry run tox
+poetry run tox
 ```
 
 ### Releasing
@@ -36,17 +36,17 @@ $ poetry run tox
 Bump a version with features you want to include and build a package
 
 ```bash
-$ poetry version patch  # patch version update
-$ poetry version minor
-$ poetry version major  # choose one based on semver rules
-$ poetry build  # just builds a package
-$ make release  # clean + build + publish
+poetry version patch  # patch version update
+poetry version minor
+poetry version major  # choose one based on semver rules
+poetry build  # just builds a package
+make release  # clean + build + publish
 ```
 
 Upload package to GitHub and PyPI
 
 ```bash
-$ git tag -a 1.3.0 -m "Version 1.3.0"
-$ git push --tags
-$ poetry publish  # only uploads package to PyPI
+git tag -a 1.3.0 -m "Version 1.3.0"
+git push --tags
+poetry publish  # only uploads package to PyPI
 ```
diff --git a/LICENSE b/LICENSE
index 873268b..8ded47f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 202 Misha Behersky
+Copyright (c) 2025 Misha Behersky
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/leak/main.py b/leak/main.py
index 3cf94d1..533fc42 100644
--- a/leak/main.py
+++ b/leak/main.py
@@ -1,6 +1,5 @@
 import sys
 from contextlib import contextmanager
-from typing import Dict
 
 import requests
 
@@ -12,7 +11,7 @@ def dummy_context(*args, **kwargs):
     yield
 
 
-def get_package_data(package_name: str) -> Dict:
+def get_package_data(package_name: str) -> dict:
     url = f"https://pypi.org/pypi/{package_name}/json"
     resp = requests.get(url)
     if resp.status_code != 200:
@@ -22,7 +21,7 @@ def get_package_data(package_name: str) -> Dict:
     return data
 
 
-def get_downloads_data(package_name: str) -> Dict:
+def get_downloads_data(package_name: str) -> dict:
     url = f"https://api.pepy.tech/api/v2/projects/{package_name}"
     resp = requests.get(url)
     if resp.status_code != 200:
diff --git a/leak/parser.py b/leak/parser.py
index 1b302ac..3d17453 100644
--- a/leak/parser.py
+++ b/leak/parser.py
@@ -1,10 +1,9 @@
-import datetime
-from typing import Dict, List
+from datetime import datetime
 
 from leak import config, logger
 
 
-def versions_split(version_str, type_applyer=int):
+def versions_split(version_str, type_applyer=int) -> list[int]:
     dots_count = version_str.count(".")
     if dots_count == 0:
         major, minor, patch = version_str, 0, 0
@@ -24,7 +23,7 @@ def versions_split(version_str, type_applyer=int):
     return list(map(type_applyer, (major, minor, patch)))
 
 
-def get_max_downloads_for_release(release: List[Dict]) -> int:
+def get_max_downloads_for_release(release: list[dict]) -> int:
     max_downloads = 0
     for release_record in release:
         if release_record["downloads"] > max_downloads:
@@ -32,19 +31,17 @@ def get_max_downloads_for_release(release: List[Dict]) -> int:
     return max_downloads
 
 
-def get_latest_time_for_release(release: List[Dict]) -> str:
+def get_latest_time_for_release(release: list[dict]) -> datetime:
     latest_time = config.EPOCH_BEGIN
     date_format = "%Y-%m-%dT%H:%M:%S"
     for release_record in release:
-        upload_time = datetime.datetime.strptime(
-            release_record["upload_time"], date_format
-        )
+        upload_time = datetime.strptime(release_record["upload_time"], date_format)
         if upload_time > latest_time:
             latest_time = upload_time
     return latest_time
 
 
-def get_downloads_for_version(version: str, downloads_data: Dict) -> int:
+def get_downloads_for_version(version: str, downloads_data: dict) -> int:
     downloads = 0
     for date, data in downloads_data.items():
         downloads += data.get(version, 0)
diff --git a/leak/ui.py b/leak/ui.py
index b8723c1..cb59982 100644
--- a/leak/ui.py
+++ b/leak/ui.py
@@ -1,5 +1,4 @@
 import functools
-from typing import Dict, Optional
 
 from packaging.version import parse as parse_version
 from rich import box
@@ -52,9 +51,7 @@ def show_package_info(data):
     rprint(panel)
 
 
-def show_package_versions(
-    releases, downloads: Optional[Dict] = None, showall: bool = False
-):
+def show_package_versions(releases, downloads: dict, showall: bool = False):
     most_popular_count = 0  # noqa
     most_popular_release = None  # noqa
     most_recent_release = None