diff --git a/requirements.txt b/requirements.txt
index b1630a8..5e63096 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ ruamel.yaml==0.16.12
 ruamel.yaml.clib==0.2.2
 six==1.12.0
 termcolor==1.1.0
-tornado==6.1
+tornado==6.3.2
 tqdm==4.58.0
 typing-extensions==3.7.4.3
 zipp==3.4.0