diff --git a/tasks/docker/docker.yml b/tasks/docker/docker.yml
index 4a29748..3ba24b4 100644
--- a/tasks/docker/docker.yml
+++ b/tasks/docker/docker.yml
@@ -95,6 +95,12 @@
     regexp: "^VAPID_PUBLIC_KEY="
     backup: yes
 
+- name: Build (again) Mastodon container to include secrets
+  community.docker.docker_compose:
+        project_name: mastodon
+        project_src: "{{ mastodon_composer_folder }}/"
+        state: present
+
 - name: Set up database
   shell: docker-compose run --rm web rails db:migrate && echo "Database set up." > /var/lib/mastodon_db_setup
   args: