diff --git a/requirements.txt b/requirements.txt
index 7def311..f2b741d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ msgpack-python==0.5.6
 msgpack-rpc-python==0.4.1
 numpy==1.19.0
 opencv-python==4.2.0.34
-tornado==4.5.3
+tornado==6.3.3