diff --git a/backend/python/openvoice/requirements.txt b/backend/python/openvoice/requirements.txt
index c2e3f01f..c74eba87 100644
--- a/backend/python/openvoice/requirements.txt
+++ b/backend/python/openvoice/requirements.txt
@@ -15,6 +15,6 @@ pypinyin
 cn2an==0.5.22
 networkx==2.8.8
 jieba==0.42.1
-gradio==5.0.0
+gradio==3.48.0
 langid==1.1.6
 llvmlite==0.43.0