diff --git a/Knowage-Python/requirements.txt b/Knowage-Python/requirements.txt
index 8b91d276aca..e33d215b9c1 100644
--- a/Knowage-Python/requirements.txt
+++ b/Knowage-Python/requirements.txt
@@ -6,6 +6,6 @@ pandas==1.3.5
 pybase64==1.0.2
 PyJWT==1.7.1
 requests==2.28.1
-tornado==6.0.4
+tornado==6.5.5
 markupsafe==2.0.1