diff --git a/tests/setup-ceph-storage.yml b/tests/setup-ceph-storage.yml
index 0072f4c..abfcacd 100644
--- a/tests/setup-ceph-storage.yml
+++ b/tests/setup-ceph-storage.yml
@@ -10,6 +10,7 @@
 
 - name: Playbook for configuring fake storage on Ceph hosts
   hosts: osds
+  serial: 1
   become: true
   pre_tasks:
   - name: Gather variables for each operating system