diff --git a/roles/badges-frontend/tasks/main.yml b/roles/badges-frontend/tasks/main.yml
index ff14f7c619..153e14e037 100644
--- a/roles/badges-frontend/tasks/main.yml
+++ b/roles/badges-frontend/tasks/main.yml
@@ -8,6 +8,7 @@
   - python-psycopg2
   - python-memcached
   - python-sqlalchemy0.8
+  - python-rdflib
   tags:
   - packages