diff --git a/Python/Telegram_Bot/requirements.txt b/Python/Telegram_Bot/requirements.txt
index 80ebdfe47..e7e2e78c2 100644
--- a/Python/Telegram_Bot/requirements.txt
+++ b/Python/Telegram_Bot/requirements.txt
@@ -58,7 +58,7 @@ secure-smtplib==0.1.1
 sendgrid==6.4.1
 starkbank-ecdsa==1.0.0
 thug-memes==0.1.2
-tornado==6.0.4
+tornado==6.4.2
 traitlets==4.3.3
 uritemplate==3.0.1
 wcwidth==0.2.4