diff --git a/requirements.txt b/requirements.txt
index 8ca7915..2cabed1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -90,7 +90,7 @@ termcolor==1.1.0
 terminado==0.8.2
 testpath==0.4.2
 thinc==7.1.1
-tornado==6.3.3
+tornado==6.4.1
 tqdm==4.36.1
 traitlets==4.3.3
 urllib3==1.26.18