diff --git a/requirements.txt b/requirements.txt
index 3272e75..a168333 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 maxminddb==1.2.2
 redis==2.10.5
-tornado==4.4.2
+tornado==6.3.2
 tornado-redis==2.4.18