diff --git a/docker-for-ml/jupyter-custom-docker/requirements.txt b/docker-for-ml/jupyter-custom-docker/requirements.txt
index f06f4a705..de187c3b3 100644
--- a/docker-for-ml/jupyter-custom-docker/requirements.txt
+++ b/docker-for-ml/jupyter-custom-docker/requirements.txt
@@ -1,3 +1,3 @@
-Flask==0.10.1
+Flask==1.0
 Flask-HTTPAuth==2.3.0
 Flask-RESTful==0.3.1