diff --git a/zhengfang_system_spider/requirements.txt b/zhengfang_system_spider/requirements.txt
index 522810d0..cf61ff43 100644
--- a/zhengfang_system_spider/requirements.txt
+++ b/zhengfang_system_spider/requirements.txt
@@ -1,4 +1,4 @@
-lxml==4.6.3
+lxml==4.9.1
 requests==2.20.0
 Pillow>=6.2.2
 beautifulsoup4==4.6.0