diff --git a/requirements.txt b/requirements.txt
index f0702c7ad..f726edb13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,4 @@ anytree>=2.8.0
 SQLAlchemy>=2.0.9
 tqdm==4.66.1
 psutil==5.9.7
-lxml==4.5.1
+lxml==4.9.1