diff --git a/Deployment/docker-hello-flask/my-first-env/require.txt b/Deployment/docker-hello-flask/my-first-env/require.txt
index 206f910..23ec278 100644
--- a/Deployment/docker-hello-flask/my-first-env/require.txt
+++ b/Deployment/docker-hello-flask/my-first-env/require.txt
@@ -1,4 +1,4 @@
-numpy==1.19.4
+numpy==1.21.0
 pandas==1.1.4
 python-dateutil==2.8.1
 pytz==2020.4