diff --git a/requirements.txt b/requirements.txt
index fa22a18..e519b9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ sqlalchemy==2.0.3
 xmltodict
 mod-wsgi==4.9.3
 wsgiserver
-lxml==4.9.2
+lxml==5.3.0
 requests==2.32.0
diff --git a/setup.py b/setup.py
index 11eb63e..50fc046 100644
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@
     'xmltodict',
     'mod-wsgi==4.9.3',
     'wsgiserver',
-    'lxml==4.9.2',
+    'lxml==5.3.0',
     'requests==2.32.0',
     'sqlalchemy-pysqlite3==0.0.4'
     ],