diff --git a/examples/playbook.yml b/examples/playbook.yml
index af872bad..9ffb99b6 100644
--- a/examples/playbook.yml
+++ b/examples/playbook.yml
@@ -1,3 +1,4 @@
+---
 - name: Install ceilometer server
   hosts: ceilometer_all
   user: root
diff --git a/tests/ansible-role-requirements.yml b/tests/ansible-role-requirements.yml
index 03e12a64..30945182 100644
--- a/tests/ansible-role-requirements.yml
+++ b/tests/ansible-role-requirements.yml
@@ -1,3 +1,4 @@
+---
 - name: apt_package_pinning
   src: https://git.openstack.org/openstack/openstack-ansible-apt_package_pinning
   scm: git