# FastAPI and server
fastapi>=0.104.1
uvicorn[standard]>=0.24.0
pydantic>=2.5.0

# Service-specific dependencies
# OAuth and authentication
authlib>=1.2.0
oauthlib>=3.2.0

# HTTP client with OAuth support
requests-oauthlib>=1.3.0

# XML processing for HMRC APIs
lxml>=4.9.0
xmltodict>=0.13.0

# JSON Web Tokens
pyjwt>=2.8.0

# UK government API utilities
govuk-frontend-jinja>=2.8.0

# Date and time for tax years
python-dateutil>=2.8.0

# Retry mechanisms
tenacity>=8.2.0

# Rate limiting
ratelimit>=2.2.0

# API validation
marshmallow>=3.20.0

# Encryption for sensitive data
cryptography>=41.0.0

# Additional HTTP utilities
urllib3>=2.1.0