diff --git a/requirements.txt b/requirements.txt
index c838be8..f1f7220 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ graphql-relay==0.4.5
 psycopg2>=2.8.2
 SQLAlchemy==1.3.3
 sqlalchemy_utils>=0.33.11
-tornado==6.0.2
+tornado==6.3.2