diff --git a/docs/requirements.txt b/docs/requirements.txt
index f6c075c43..20dc65436 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -20,7 +20,7 @@ imagesize==1.2.0
     # via sphinx
 jinja2==2.11.3
     # via sphinx
-lxml==4.6.2
+lxml==4.6.3
     # via -r requirements.in
 markupsafe==1.1.1
     # via jinja2