diff --git a/setup.py b/setup.py
index ded9589..9f734a1 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
         'mysql-replication==0.9',
         'requests==2.9.1',
         'PyYAML==3.11',
-        'lxml==3.5.0',
+        'lxml==4.9.1',
         'future==0.15.2'
     ],
     entry_points={