diff --git a/requirements.txt b/requirements.txt
index 3e3648e..592e0d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ coverage==4.5.3
 cssselect==1.0.3
 htmlmin==0.1.12
 idna==2.7
-lxml==4.6.3
+lxml==4.9.1
 Pillow>=7.1.0
 requests==2.20.1
 urllib3==1.24.2