diff --git a/requirements.txt b/requirements.txt
index 7233ae2..3e8e6e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 PyJWT==1.7.1
 pymongo==3.10.1
-tornado==6.0.3
+tornado==6.3.3
 colorlog