diff --git a/roles/shell/tasks/packages.yml b/roles/shell/tasks/packages.yml
index b76df2df..a5a848d5 100644
--- a/roles/shell/tasks/packages.yml
+++ b/roles/shell/tasks/packages.yml
@@ -203,6 +203,7 @@
       - proot
       - python
       - python-certbot-apache
+      - python-flask
       - python-pip
       - python-potr
       - python-twisted