diff --git a/roles/mailman/tasks/main.yml b/roles/mailman/tasks/main.yml
index d12dd358dd..ae0a0f5ce4 100644
--- a/roles/mailman/tasks/main.yml
+++ b/roles/mailman/tasks/main.yml
@@ -59,6 +59,7 @@
   - python-pylibmc
   - yum-plugin-post-transaction-actions
   - mailman3-fedmsg-plugin
+  - python-django-discover-runner
   tags:
   - packages