# Core bot framework
aiogram>=3.0.0

# Calendar processing
icalendar>=5.0.0
python-dateutil>=2.8.0

# Timezone support
pytz>=2023.3

# HTTP client for downloading calendar files
wget>=3.2

# Database (built-in with Python)
# sqlite3 - included in Python standard library

# Additional dependencies for date/time handling
typing-extensions>=4.0.0