diff --git a/roles/taskotron/resultsdb-backend/tasks/main.yml b/roles/taskotron/resultsdb-backend/tasks/main.yml
index 4a0ed9d8d5..e7a58dbe83 100644
--- a/roles/taskotron/resultsdb-backend/tasks/main.yml
+++ b/roles/taskotron/resultsdb-backend/tasks/main.yml
@@ -3,6 +3,7 @@
   with_items:
     - resultsdb
     - mod_wsgi
+    - python-psycopg2
 
 - name: ensure database is created
   delegate_to: "{{ resultsdb_db_host }}"