python-dotenv>=1.0.1
rank-bm25>=0.2.2
numpy>=1.24.0
streamlit>=1.36.0
langchain>=0.2.12
langchain-core>=0.2.20
langchain-community>=0.2.11
langchain-openai>=0.1.17
chromadb>=0.5.5
sentence-transformers>=3.0.1
tiktoken>=0.7.0
pypdf>=3.17.0
pytest>=8.2.0