diff --git a/defaults/main.yml b/defaults/main.yml
index ecc5a1e..099a493 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -200,6 +200,7 @@ mariadb_backup_formatting: "%F"
 mariadb_exporter_enabled: True
 
 # @var mariadb_exporter_version:description: Version of the release to install
+# renovate: datasource=github-releases depName=prometheus/mysqld_exporter
 mariadb_exporter_version: 0.12.1
 
 # @var mariadb_exporter_download:description: URL to the archive of the release to install