diff --git a/setup.py b/setup.py
index d45c55b..e7fd5aa 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@ def get_long_description():
     install_requires=[
         "statsd==3.2.2",
         "requests==2.20.0",
-        "tornado==5.0.1",
+        "tornado==6.3.3",
         "msgpack-python==0.5.6",
         "basescript==0.2.2",
     ],