diff --git a/ansible/roles/mastodon/files/purge-media.sh b/ansible/roles/mastodon/files/purge-media.sh
new file mode 100644
index 0000000..0a3ea7e
--- /dev/null
+++ b/ansible/roles/mastodon/files/purge-media.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -ex
+
+cd /opt/mastodon
+
+docker-compose exec mastodon tootctl media remove --days=7
+docker-compose exec mastodon tootctl statuses remove --days=7
+docker-compose exec mastodon tootctl preview_cards remove --days=7
+docker-compose exec mastodon tootctl cache clear
diff --git a/ansible/roles/mastodon/tasks/main.yml b/ansible/roles/mastodon/tasks/main.yml
index 4f3491c..ddd96c8 100644
--- a/ansible/roles/mastodon/tasks/main.yml
+++ b/ansible/roles/mastodon/tasks/main.yml
@@ -18,3 +18,21 @@
     validate: docker-compose -f %s config
   notify: restart mastodon
   become: true
+
+- name: Install media cleanup script
+  template:
+    src: files/purge-media.sh
+    dest: /opt/mastodon/purge-media.sh
+    mode: "0755"
+    owner: "{{ docker_user.name }}"
+  become: true
+
+- name: Schedule media cleanup
+  cron:
+    name: clean up mastodon media
+    hour: 2
+    minute: 0
+    weekday: 1
+    job: /opt/mastodon/purge-media.sh
+    user: "{{ docker_user.name }}"
+  become: true