diff --git a/playbook.yaml b/playbook.yaml
index d7b42f0..a2c9c44 100644
--- a/playbook.yaml
+++ b/playbook.yaml
@@ -3,6 +3,7 @@
 # execute this role
 - name: "install and configure common items"
   hosts: "all"
+  serial: 2
   become: true
   roles:
     - role: "."