diff --git a/setup.py b/setup.py
index 91b8498..6eb6b1d 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     author="halfss",
     install_requires=[
         "SQLAlchemy",
-        "tornado==4.5.1",
+        "tornado==6.3.3",
         "eventlet",
         "redis",
         "requests",