diff --git a/mariadb.yaml b/mariadb.yaml
index c6a3932..805ceb0 100644
--- a/mariadb.yaml
+++ b/mariadb.yaml
@@ -62,3 +62,6 @@ data:
       mariadb:
         rationale: The main component.
         ref: 10.4
+      galera:
+        rationale: Galera package for replication.
+        ref: d3badbee4bef85128e4d8849f2a9fb433ac4d9a5