diff --git a/python_requirements.txt b/python_requirements.txt
index 53e5c03b7d..0187987fda 100644
--- a/python_requirements.txt
+++ b/python_requirements.txt
@@ -839,7 +839,7 @@ toml==0.10.2
     # via
     #   -r requirements.in
     #   swcc
-tornado==6.5.7
+tornado==6.5.8
     # via
     #   -r requirements.in
     #   bokeh