diff --git a/lianjia_spider/requirements.txt b/lianjia_spider/requirements.txt
index 07ee5d0..199aee4 100644
--- a/lianjia_spider/requirements.txt
+++ b/lianjia_spider/requirements.txt
@@ -10,7 +10,7 @@ cssselect==1.1.0
 hyperlink==19.0.0
 idna==2.9
 incremental==17.5.0
-lxml==4.6.3
+lxml==4.9.1
 parsel==1.5.2
 peewee==3.10.0
 Protego==0.1.16