diff --git a/cars/v1/vanilla/config.ini b/cars/v1/vanilla/config.ini
index ec74dff..5bea371 100644
--- a/cars/v1/vanilla/config.ini
+++ b/cars/v1/vanilla/config.ini
@@ -1,5 +1,8 @@
 [variables]
+# deprecated
 release_url = https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-{{VERSION}}.tar.gz
+# new
+jdk.unbundled.release_url = https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-{{VERSION}}.tar.gz
 # list of JDK major versions that are used to run Elasticsearch
 runtime.jdk = 8,7
 runtime.jdk.bundled = false