diff --git a/centos_build_layer.cfg b/centos_build_layer.cfg
new file mode 100644
index 0000000..c581999
--- /dev/null
+++ b/centos_build_layer.cfg
@@ -0,0 +1 @@
+flock
diff --git a/centos_tarball-dl.lst b/centos_tarball-dl.lst
new file mode 100644
index 0000000..8806d0f
--- /dev/null
+++ b/centos_tarball-dl.lst
@@ -0,0 +1,2 @@
+helm-charts-92b6289ae93816717a8453cfe62bad51cbdb8ad0.tar.gz#helm-charts#https://github.com/helm/charts/archive/92b6289ae93816717a8453cfe62bad51cbdb8ad0.tar.gz#http##
+helm-charts-elastic-2bd7616ceddbdf2eee88965e2028ee37d304c79c.tar.gz#helm-charts-elastic#https://github.com/elastic/helm-charts/archive/2bd7616ceddbdf2eee88965e2028ee37d304c79c.tar.gz#http##