diff --git a/ETL Machine Learning Deployment/Docker/Breast cancer/requirements.txt b/ETL Machine Learning Deployment/Docker/Breast cancer/requirements.txt
index a385efb..4263ab3 100644
--- a/ETL Machine Learning Deployment/Docker/Breast cancer/requirements.txt	
+++ b/ETL Machine Learning Deployment/Docker/Breast cancer/requirements.txt	
@@ -63,7 +63,7 @@ sklearn==0.0
 terminado==0.9.1
 testpath==0.4.4
 threadpoolctl==2.1.0
-tornado==6.5.7
+tornado==6.5.8
 traitlets==5.0.5
 wcwidth==0.2.5
 webencodings==0.5.1