diff --git a/requirements.txt b/requirements.txt
index 214ce3b..d4a4a3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,10 +13,12 @@ openai
 faiss-cpu
 
 # Utility Libraries
-python-dotenv==1.0.1  # For environment variable management
-pydantic==2.7.1       # Data validation library (dependency for FastAPI and LangChain)
+python-dotenv 
+pydantic      
 
 # Async support
-asyncio==3.4.3  # Part of Python >=3.6 but included explicitly for clarity
+asyncio
+
+# PDF extraction
 pdfplumber