diff --git a/setup.py b/setup.py
index 35f4497..c0b35fa 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     install_requires=[
         "PyGithub==1.36",
         "pymongo==2.7.2",
-        "tornado==4.5.3",
+        "tornado==6.3.3",
         "basescript==0.2.0",
         "deeputil==0.2.5",
         "gnsq==0.4.0",