diff --git a/netbox/core/api/schema.py b/netbox/core/api/schema.py
index b7e537c23..8eecfa8b9 100644
--- a/netbox/core/api/schema.py
+++ b/netbox/core/api/schema.py
@@ -8,6 +8,7 @@ from drf_spectacular.plumbing import (
     build_basic_type, build_choice_field, build_media_type_object, build_object_type, get_doc,
 )
 from drf_spectacular.types import OpenApiTypes
+from rest_framework import serializers
 from rest_framework.relations import ManyRelatedField
 
 from netbox.api.fields import ChoiceField, SerializedPKRelatedField