Update requirements.txt

requirements.txt

@@ -1,12 +1,12 @@
-langchain==0.1.0
+langchain==0.1.8
 torch==2.1.0
 faiss-cpu==1.7.4
 git+https://github.com/huggingface/transformers
-accelerate==0.26.0
-sentence-transformers==2.2.2
-gradio==4.14.0
+accelerate==0.27.2
+sentence-transformers==2.3.1
+gradio==4.19.1
 langchain-experimental==0.0.49
-pypdf==3.17.4
+pypdf==4.0.2
 python-dotenv==1.0.0
 tabulate
-llama-cpp-python
+llama-cpp-python==0.2.45