diff --git a/requirements.txt b/requirements.txt
index b067c19..39b61f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,6 +13,7 @@ cpm_kernels
 faiss-cpu
 gradio==3.28.3
 fastapi~=0.95.0
+sse_starlette
 uvicorn~=0.21.1
 pypinyin~=0.48.0
 click~=8.1.3
@@ -34,4 +35,4 @@ tqdm~=4.65.0
 requests~=2.28.2
 tenacity~=8.2.2
 # 默认下载的charset_normalizer模块版本过高会抛出，`artially initialized module 'charset_normalizer' has no attribute 'md__mypyc' (most likely due to a circular import)`
-charset_normalizer==2.1.0
\ No newline at end of file
+charset_normalizer==2.1.0