diff --git a/requirements.txt b/requirements.txt
index 42c21e3..90462b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ gunicorn==19.9.0
 idna==2.8
 importlib-metadata==1.6.0
 kombu==5.1.0
-lxml==4.6.3
+lxml==4.6.5
 numpy==1.18.1
 oauthlib==3.1.0
 pandas==0.25.3