diff --git a/requirements_with_versions.txt b/requirements_with_versions.txt
index d680d95f690..ddf01fd204c 100644
--- a/requirements_with_versions.txt
+++ b/requirements_with_versions.txt
@@ -37,7 +37,7 @@ xlrd==2.0.2
 fpdf==1.7.2
 mysql-connector-repackaged==0.3.1
 word2number==1.1
-tornado==6.5.2
+tornado==6.5.3
 obs==0.0.0
 todo==0.1
 oauth2client==4.1.3