diff --git a/requirements/requirements_writers.txt b/requirements/requirements_writers.txt
index 2c9cd3af..db1ba629 100644
--- a/requirements/requirements_writers.txt
+++ b/requirements/requirements_writers.txt
@@ -4,5 +4,5 @@ pandas
 pillow>=10.0.1 # not directly required, pinned by Snyk to avoid a vulnerability
 scikit-learn
 sorcery
-tornado>=6.3.3 # not directly required, pinned by Snyk to avoid a vulnerability
+tornado>=6.4.2 # not directly required, pinned by Snyk to avoid a vulnerability
 visdom