diff --git a/backend/models/resource_tag_model.py b/backend/models/resource_tag_model.py
index 01aec83..0a4adc5 100644
--- a/backend/models/resource_tag_model.py
+++ b/backend/models/resource_tag_model.py
@@ -10,4 +10,4 @@ from .resource_model import Resource
 class ResourceTag(Resource, BaseModel):
     id: int | None = None
     resourceid: int | None = None
-    tagid: Tag
+    tagid: List[Tag]
diff --git a/backend/models/service_tag_model.py b/backend/models/service_tag_model.py
index c8e2241..b9c07a9 100644
--- a/backend/models/service_tag_model.py
+++ b/backend/models/service_tag_model.py
@@ -16,4 +16,4 @@ from datetime import datetime
 class ServiceTag(Service, BaseModel):
     id: int | None = None
     serviceid: int | None = None
-    tagId: Tag
+    tagId: List[Tag]