diff --git a/requirements.txt b/requirements.txt
index 3ce4dda..85d8fd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-langchain
+langchain>=0.0.120
 transformers==4.27.1
 unstructured[local-inference]
 layoutparser[layoutmodels,tesseract]