diff --git a/requirements.txt b/requirements.txt
index 848f116..ae7f97e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Click==7.0
 importlib-metadata==0.20
 isort==4.3.21
 lazy-object-proxy==1.4.2
-lxml==4.5.0
+lxml==4.9.1
 mccabe==0.6.1
 more-itertools==7.2.0
 packaging==19.1