diff --git a/roles/mailman/tasks/main.yml b/roles/mailman/tasks/main.yml
index be3072e682..f1c81bb21e 100644
--- a/roles/mailman/tasks/main.yml
+++ b/roles/mailman/tasks/main.yml
@@ -153,6 +153,9 @@
   - python3-pylibmc
   - python3-dnf-plugin-post-transaction-actions
   - python3-psycopg2
+  # to run the test suite:
+  - python-beautifulsoup4
+  - python3-whoosh
   - sassc
   tags:
   - packages