diff --git a/backend/app/models/asset.py b/backend/app/models/asset.py
index 2955515..0292fa4 100644
--- a/backend/app/models/asset.py
+++ b/backend/app/models/asset.py
@@ -13,6 +13,7 @@ class AssetType(str, enum.Enum):
     VIDEO = "video"
     DOCUMENT = "document"
     MODEL_3D = "model_3d"
+    MODEL_GLTF = "model_gltf"
     OTHER = "other"