diff --git a/requirements.txt b/requirements.txt
index 739777e..6bdfad7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 requests==2.21.0
-lxml==4.3.1
+lxml==4.9.1
 selenium==3.141.0
 tqdm==4.11.2
 cssselect==1.0.3