diff --git a/backend/Yiqi/Yiqi/requirements.txt b/backend/Yiqi/Yiqi/requirements.txt
index 2971ec8..f6a942a 100644
--- a/backend/Yiqi/Yiqi/requirements.txt
+++ b/backend/Yiqi/Yiqi/requirements.txt
@@ -9,7 +9,7 @@ Automat==0.6.0
 beautifulsoup4==4.6.0
 bleach==2.1.3
 bs4==0.0.1
-certifi==2018.1.18
+certifi==2022.12.7
 cffi==1.11.2
 channels==1.1.8
 chardet==3.0.4