diff --git a/updates/builder_table_create_airports.php b/updates/builder_table_create_airports.php
index d33e588..43a76fc 100644
--- a/updates/builder_table_create_airports.php
+++ b/updates/builder_table_create_airports.php
@@ -18,6 +18,17 @@ class BuilderTableCreateAirports extends Migration
       $table->string('latitude');
       $table->string('longitude');
     });
+
+    Schema::connection('germanairlinesva_fleet')->table('aircrafts', function ($table) {
+      $table
+        ->foreign('airport_id')
+        ->references('id')
+        ->on('germanairlinesva_routes.airports');
+      $table
+        ->foreign('home_airport_id')
+        ->references('id')
+        ->on('germanairlinesva_routes.airports');
+    });
   }
 
   public function down()