diff --git a/dist/compatible/openapi-3.0.yaml b/dist/compatible/openapi-3.0.yaml
index c15e7ae..b467b41 100644
--- a/dist/compatible/openapi-3.0.yaml
+++ b/dist/compatible/openapi-3.0.yaml
@@ -274,6 +274,8 @@ components:
       properties:
         bookmark_timeline_v2:
           $ref: '#/components/schemas/BookmarksTimeline'
+      required:
+      - bookmark_timeline_v2
     BookmarksTimeline:
       properties:
         timeline:
diff --git a/dist/docs/openapi-3.0.yaml b/dist/docs/openapi-3.0.yaml
index cd67098..6317b88 100644
--- a/dist/docs/openapi-3.0.yaml
+++ b/dist/docs/openapi-3.0.yaml
@@ -274,6 +274,8 @@ components:
       properties:
         bookmark_timeline_v2:
           $ref: '#/components/schemas/BookmarksTimeline'
+      required:
+      - bookmark_timeline_v2
     BookmarksTimeline:
       properties:
         timeline:
diff --git a/src/openapi/paths/bookmarks.yaml b/src/openapi/paths/bookmarks.yaml
index 8399024..e68734c 100644
--- a/src/openapi/paths/bookmarks.yaml
+++ b/src/openapi/paths/bookmarks.yaml
@@ -30,6 +30,8 @@ components:
             $ref: "./../response/error.yaml#/components/schemas/ErrorResponse"
 
     BookmarksResponseData:
+      required:
+        - "bookmark_timeline_v2"
       properties:
         bookmark_timeline_v2:
           $ref: "#/components/schemas/BookmarksTimeline"