diff --git a/requirements.txt b/requirements.txt
index f74119d..cadc9d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ hyperlink==17.3.1
 idna==2.6
 incremental==17.5.0
 js2xml==0.3.1
-lxml==4.1.1
+lxml==4.9.1
 oauth2client==4.1.2
 parsel==1.2.0
 ply==3.10