diff --git a/requirements.txt b/requirements.txt
index 597c826..e753d0c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,5 @@ nltk
 sentence-transformers
 beautifulsoup4
 icetk
-cpm_kernels
\ No newline at end of file
+cpm_kernels
+faiss-cpu
\ No newline at end of file