diff --git a/TaobaoCrawler/requirements.txt b/TaobaoCrawler/requirements.txt
index 23d7eda..3622b7a 100644
--- a/TaobaoCrawler/requirements.txt
+++ b/TaobaoCrawler/requirements.txt
@@ -22,7 +22,7 @@ itchat==1.3.10
 itsdangerous==1.1.0
 jdcal==1.4
 Jinja2==2.10
-lxml==4.3.2
+lxml==4.9.1
 macholib==1.11
 MarkupSafe==1.1.0
 openpyxl==2.6.2