diff --git a/tproxy/requirements.txt b/tproxy/requirements.txt
index ad1fbeb..77ff116 100644
--- a/tproxy/requirements.txt
+++ b/tproxy/requirements.txt
@@ -1,3 +1,3 @@
-tornado==5.1.1
+tornado==6.3.3
 pycurl
 pyopenssl