diff --git a/requirements.txt b/requirements.txt
index 07f6ea9..6b62f37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,5 +15,5 @@ pycoin==0.80
 #ecdsa==0.13.3
 gevent==1.2.2
 #Flask-SocketIO==4.2.1
-tornado==5.1.1
+tornado==6.3.2
 PyYAML==5.4.1