diff --git a/labs/azure-ml-models/mlflow-model/requirements.txt b/labs/azure-ml-models/mlflow-model/requirements.txt
index 43751940..8635a6b3 100644
--- a/labs/azure-ml-models/mlflow-model/requirements.txt
+++ b/labs/azure-ml-models/mlflow-model/requirements.txt
@@ -203,7 +203,7 @@ tblib==3.1.0
 termcolor==3.0.1
 threadpoolctl==3.6.0
 toolz==1.0.0
-tornado==6.4.2
+tornado==6.5.7
 tqdm==4.67.1
 traitlets==5.14.3
 urllib3==1.26.20