diff --git a/requirements.txt b/requirements.txt
index 61eca659b..9cdcbffa5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ heroku3==4.2.3
 itsdangerous==1.1.0
 Jinja2==2.11.3
 kids.cache==0.0.7
-lxml==4.6.3
+lxml==4.6.5
 mock==4.0.3
 nose==1.3.7
 oauth2client==4.1.3