diff --git a/nipap/requirements.txt b/nipap/requirements.txt
index ef817ae79..9313b0bcb 100644
--- a/nipap/requirements.txt
+++ b/nipap/requirements.txt
@@ -21,5 +21,5 @@ python-dateutil==2.8.1
 python-ldap==3.3.1
 pytz==2021.1
 pyjwt==1.5.3
-tornado==6.1
+tornado==6.3.3
 docutils==0.16