diff --git a/requirements.txt b/requirements.txt
index dfdd0e7..d05fb7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 testify
 pep8
 pyflakes
-tornado==3.2 
+tornado==6.3.3 
 boto 
 yapf