Update requirements.txt

requirements.txt

@@ -1,9 +1,9 @@
-streamlit==1.31.0
-langchain==0.1.20
-langchain-groq==0.1.3
-langchain-experimental==0.0.62
-langchain-community==0.0.38
-langchain-core==0.1.52
-groq==0.4.2
+streamlit>=1.35.0  # Use a recent version of Streamlit
+langchain>=0.2.0   # Update core package to the modern namespace
+langchain-groq>=0.1.3
+langchain-experimental>=0.0.62
+langchain-community>=0.0.38
+langchain-core>=0.1.52
+groq>=0.4.2
 sqlalchemy==2.0.25
 pydantic==2.6.1