diff --git a/tasks/setup.yaml b/tasks/setup.yaml
index 89d0ebb..b2fb3e9 100644
--- a/tasks/setup.yaml
+++ b/tasks/setup.yaml
@@ -7,6 +7,7 @@
       - rabbitmq-server
       - redis-server
       - postgresql
+      - ca-certificates
       # required by ansible
       - gnupg
       - python-psycopg2