diff --git a/deploy/k01/apply-schema.sh b/deploy/k01/apply-schema.sh
index 9afd6ff..6bc9fe2 100755
--- a/deploy/k01/apply-schema.sh
+++ b/deploy/k01/apply-schema.sh
@@ -36,11 +36,13 @@ while IFS= read -r name; do
 	clusters+=("$name")
 done < <(kubectl -n juwan get cluster -o jsonpath='{.items[*].metadata.name}' | tr ' ' '\n')
 
+kubectl -n juwan wait --for=condition=Ready cluster.postgresql.cnpg.io --all --timeout=600s
+
 for cluster in "${clusters[@]}"; do
 	domain="${cluster%-db}"
 	dir="$(domain_dir "$domain")"
 	echo "$cluster"
-	kubectl -n juwan wait --for=condition=Ready "cluster.postgresql.cnpg.io/${cluster}" --timeout=300s
+	psql_exec "$cluster" "DROP OWNED BY app CASCADE;"
 	psql_file "$cluster" "$SQL_DIR/common/update_updated_at_column.sql"
 	for f in "$SQL_DIR/$dir"/*.sql; do
 		[ -f "$f" ] || continue