diff --git a/bookshop/index.cds b/bookshop/index.cds
index 161677cd..7d683805 100644
--- a/bookshop/index.cds
+++ b/bookshop/index.cds
@@ -2,3 +2,4 @@ namespace sap.capire.bookshop; //> important for reflection
 using from './db/schema';
 using from './srv/cat-service';
 using from './srv/admin-service';
+using from './srv/user-service';