diff --git a/DocSum/ui/gradio/requirements.txt b/DocSum/ui/gradio/requirements.txt
index 9086603d04..7768bf9ae5 100644
--- a/DocSum/ui/gradio/requirements.txt
+++ b/DocSum/ui/gradio/requirements.txt
@@ -1,9 +1,9 @@
 docx2txt
 gradio==5.5.0
-langchain_community
+langchain_community==0.3.9
 moviepy==1.0.3
 numpy==1.26.4
 opencv-python==4.10.0.82
 Pillow==10.3.0
 pypdf
-unstructured
+unstructured==0.16.9