diff --git a/requirements.txt b/requirements.txt
index 7fa55507..b7d27a10 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,6 +13,6 @@ pytz            ==2019.2
 requests        ==2.31.0
 scrypt          ==0.8.13
 suds-jurko      ==0.6
-tornado         ==6.0.3
+tornado         ==6.3.3
 tweepy          ==3.8.0
 requests-toolbelt ==0.9.1