Update requirements.txt

requirements.txt

@@ -1,8 +1,9 @@
-gradio==4.19.2
-langchain==0.1.13
-langchain-community==0.0.29
-sentence-transformers==2.6.1
-faiss-cpu==1.8.0
-unstructured==0.13.2
-python-docx==1.1.0
-huggingface-hub==0.24.0
+gradio==4.31.0
+langchain==0.2.1
+langchain-community==0.2.1
+sentence-transformers==3.0.1
+faiss-cpu==1.8.0.post1
+unstructured[docx]==0.14.8
+huggingface-hub>=0.24.0
+nltk==3.8.1
+langchain-huggingface==0.0.3