diff --git a/requirements.txt b/requirements.txt
index 45ad18a..3a6e89f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ Send2Trash==1.5.0
 six==1.12.0
 sklearn==0.0
 termcolor==1.1.0
-tornado==6.4.1
+tornado==6.4.2
 umap==0.1.1
 werkzeug>=0.15.3
 wget==3.2