diff --git a/docs/requirements.txt b/docs/requirements.txt
index e2af1b1e..a8871454 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -49,7 +49,7 @@ six==1.15.0
     # via
     #   livereload
     #   lunr
-tornado==6.4.2
+tornado==6.5.1
     # via
     #   livereload
     #   mkdocs