diff --git a/requirements.txt b/requirements.txt
index e1a009374e..6a74c47ea1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ argcomplete==3.1.2; python_version < '3.8'
 argcomplete==3.2.1; python_version >= '3.8'
 importlib_metadata==4.0.1; python_version < '3.8'
 jsonschema==3.2.0
-lxml==4.9.3
+lxml==5.1.0
 pytest==7.0.1
 pytest-forked==1.4.0; python_version == '3.6'
 pytest-forked==1.6.0; python_version >= '3.7'