diff --git a/setup.py b/setup.py
index d8e9c515..a5286378 100644
--- a/setup.py
+++ b/setup.py
@@ -69,7 +69,7 @@ def run_tests(self):
     'docutils==0.14',
     'ebooklib',
     'elasticsearch==1.6.0',
-    'lxml==4.2.3',
+    'lxml==4.6.5',
     'psutil==5.4.6',
     'pyyaml==3.12',
     'python-ebml==0.2.1',