diff --git a/unit_modules.txt b/unit_modules.txt
new file mode 100644
index 000000000..60136e1ee
--- /dev/null
+++ b/unit_modules.txt
@@ -0,0 +1,6 @@
+puppetlabs/puppetlabs-augeas_core
+puppetlabs/puppetlabs-cron_core
+puppetlabs/puppetlabs-sshkeys_core
+puppetlabs/puppetlabs-yumrepo_core
+puppetlabs/puppetlabs-mount_core
+puppetlabs/puppetlabs-selinux_core