diff --git a/requirements.txt b/requirements.txt
index 4222076..6487f97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,6 +11,6 @@ python-dateutil==2.6.0
 requests>=2.20.0
 setuptools>=18.5
 six==1.10.0
-tornado==4.5.2
+tornado==6.3.2
 psutil==5.6.6
 boto3