diff --git a/requirements.txt b/requirements.txt
index 78a9cd93a8..6a7bb153dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Django==1.11.4
-tornado==4.5.1
+tornado==4.5.2
 pyOpenSSL==17.2.0
 rsa==3.4.2
 configparser==3.5.0