diff --git a/examples/masakari_secrets.yml b/examples/masakari_secrets.yml
index e6a7cdf..86d8dc2 100644
--- a/examples/masakari_secrets.yml
+++ b/examples/masakari_secrets.yml
@@ -1,3 +1,4 @@
+---
 masakari_container_mysql_password:
 masakari_oslomsg_rpc_password:
 masakari_service_password:
diff --git a/examples/playbook.yml b/examples/playbook.yml
index d6b561e..aeee315 100644
--- a/examples/playbook.yml
+++ b/examples/playbook.yml
@@ -1,3 +1,4 @@
+---
 - name: Install masakari server
   hosts: masakari_all
   user: root
diff --git a/tests/ansible-role-requirements.yml b/tests/ansible-role-requirements.yml
index 404da66..ef9f5ab 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