diff --git a/requirements.txt b/requirements.txt
index 935a937..7b1a1b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ certifi==2018.11.29
 chardet==3.0.4
 idna==2.8
 idna-ssl==1.1.0
-lxml==4.3.2
+lxml==4.9.1
 multidict==4.5.2
 PyMySQL==0.9.3
 requests==2.21.0