langchain>=0.1.20
langchain-community>=0.0.38
langchain-core>=0.1.52
requests>=2.31.0
beautifulsoup4>=4.12.3
lxml>=5.1.0
python-dotenv>=1.0.1
openai>=1.12.0
numpy>=1.26.4
flask>=3.0.0
faiss-cpu>=1.13.2