diff --git a/api/openapi-spec/v1.0.yaml b/api/openapi-spec/v1.0.yaml
index da69c85..7e919c6 100644
--- a/api/openapi-spec/v1.0.yaml
+++ b/api/openapi-spec/v1.0.yaml
@@ -4921,6 +4921,20 @@ components:
         '@UI.Hidden':
           description: Properties or facets (see UI.Facet) annotated with this term will not be rendered if the annotation evaluates to true. Users can set this to hide permissions.
           type: boolean
+        '@libre.graph.user.following':
+          description: |
+            Indicates whether the current user is following this DriveItem. Read-only.
+            Use the FollowDriveItem and UnfollowDriveItem operations to change the following state.
+          type: boolean
+          readOnly: true
+        '@libre.graph.tags':
+          description: |
+            The list of tags assigned to this DriveItem. Read-only.
+            Use the AssignTags and UnassignTags operations to modify tags.
+          type: array
+          items:
+            type: string
+          readOnly: true
     sharingLinkType:
       type: string
       enum: [ internal, view, upload, edit, createOnly, blocksDownload ]