diff --git a/requirements.txt b/requirements.txt
index 12485d3..532a0a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,3 +39,4 @@ rapidocr_onnxruntime~=1.3.24
 python-pptx~=1.0.2
 pyMuPDF~=1.24.10
 openpyxl~=3.1.5
+faiss-cpu~=1.9.0