diff --git a/requirements.txt b/requirements.txt
index d4546f4..59e9a72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ cssselect==1.1.0
 hyperlink==19.0.0
 idna==2.8
 incremental==17.5.0
-lxml==4.5.0
+lxml==4.9.1
 numpy==1.18.1
 pandas==1.0.0
 parsel==1.5.2