diff --git a/requirements-lock.txt b/requirements-lock.txt
index 5499e0e..c1a214a 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -83,7 +83,7 @@ soupsieve==2.8.4
 stack-data==0.6.3
 threadpoolctl==3.6.0
 tinycss2==1.5.1
-tornado==6.5.7
+tornado==6.5.8
 traitlets==5.15.1
 typing_extensions==4.16.0
 wcwidth==0.8.2