diff --git a/ShicimingjuCrawleAndDisplay/requirements.txt b/ShicimingjuCrawleAndDisplay/requirements.txt
index 5fe9177..1e0a8f6 100644
--- a/ShicimingjuCrawleAndDisplay/requirements.txt
+++ b/ShicimingjuCrawleAndDisplay/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.1.1
 Flask-Migrate==1.7.0
 Flask-Script==2.0.5
 Flask-SQLAlchemy==2.1
-lxml==4.3.2
+lxml==4.9.1
 pyecharts==0.5.1
 PyMySQL==0.9.3
 requests==2.22.0