diff --git a/addition/requirements.txt b/addition/requirements.txt
index ce79775..1e58c72 100644
--- a/addition/requirements.txt
+++ b/addition/requirements.txt
@@ -1,3 +1,3 @@
-tornado==6.0.4
+tornado==6.3.3
 jaeger-client==4.3.0
 opentracing==2.3.0
\ No newline at end of file