diff --git a/setup.py b/setup.py
index 1a477602..836c1bea 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     'pandas==2.2.2',
     'portpicker==1.5.2',
     'requests==2.32.3',
-    'tornado==6.3.3',
+    'tornado==6.4.2',
 )
 
 setup(