diff --git a/requirements.txt b/requirements.txt
index 964bc8e..128139d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ singledispatch==3.4.0.3
 six==1.12.0
 SQLAlchemy==1.3.4
 supervisor==4.0.3
-tornado==5.1.1
+tornado==6.3.2