diff --git a/requirements.txt b/requirements.txt
index a3d3dfd..865b2d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,4 +29,4 @@ redis==3.2.1
 coverage==4.0.2
 pydeepl==0.8
 redlock-py==1.0.8
-lxml==4.3.4
+lxml==4.9.1