diff --git a/postgresql.yaml b/postgresql.yaml
index 7fa1ced..73a73d6 100644
--- a/postgresql.yaml
+++ b/postgresql.yaml
@@ -35,6 +35,8 @@ data:
             postgresql:
                 rationale: main server/client components
                 ref: stream-postgresql-11
+                buildorder: 0
             timescaledb:
                 rationale: timescaledb server module
                 ref: stream-postgresql-11
+                buildorder: 1