diff --git a/setup.py b/setup.py
index 43afad5..b9e18b8 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 requirements = [
     'click',
     'hyper',
-    'tornado==5.1.1',
+    'tornado==6.3.3',
     'requests',
     'python-dateutil'
 ]