diff --git a/dco-signatures.json b/dco-signatures.json
index 22c84119e..e6f6e0614 100644
--- a/dco-signatures.json
+++ b/dco-signatures.json
@@ -1431,6 +1431,14 @@
       "created_at": "2026-10-11T04:23:24Z",
       "repoId": 1166129534,
       "pullRequestNo": 4404
+    },
+    {
+      "name": "mattj-monad",
+      "id": 133707899,
+      "comment_id": 6130156423,
+      "created_at": "2026-10-12T18:26:06Z",
+      "repoId": 1166129534,
+      "pullRequestNo": 4438
     }
   ]
 }
\ No newline at end of file