diff --git a/requirements.txt b/requirements.txt
index 1d70323..690718c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-./docs/gradio-3.32.2-py3-none-any.whl
+gradio>=3.33.1
 tiktoken>=0.3.3
 requests[socks]
 transformers
@@ -15,4 +15,5 @@ pymupdf
 openai
 numpy
 arxiv
-rich
\ No newline at end of file
+rich
+langchain
\ No newline at end of file