diff --git a/manifest.json b/manifest.json
index 8607f30..e498be6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
-  "sha": "961d83df34f3d252447b82a3316cf2a56a712ce5",
-  "frontend_file_id": "0042f71e-1890-4361-a0e0-73e5e07af434",
-  "frontend_sha256": "2e4e6326e34c38c3b617b10c51d94103f80efa50b203001a076d2109826e462c",
-  "note": "PR27 mpp catalog + lane payload whitelist"
+  "sha": "b13ba18d8f5667042bb16b47f93b71e80ac05602",
+  "frontend_file_id": "8085f82b-b1ce-4f49-b059-304037274b11",
+  "frontend_sha256": "108e1cfb886c475537e00d4787758848b53d953be76978a0378aa375918de757",
+  "note": "PR28 grok endpoint compat"
 }
\ No newline at end of file