diff --git a/defaults/stacklight.yml b/defaults/stacklight.yml
new file mode 100644
index 0000000..1abbb5e
--- /dev/null
+++ b/defaults/stacklight.yml
@@ -0,0 +1,5 @@
+parameters:
+  _param:
+    # ELK stack versions
+    elasticsearch_version: 5
+    kibana_version: 5