diff --git a/dco-signatures.json b/dco-signatures.json
index d91e1b212..93716f258 100644
--- a/dco-signatures.json
+++ b/dco-signatures.json
@@ -1383,6 +1383,14 @@
       "created_at": "2026-10-05T10:50:39Z",
       "repoId": 1166129534,
       "pullRequestNo": 4197
+    },
+    {
+      "name": "agammann",
+      "id": 161159040,
+      "comment_id": 6008862733,
+      "created_at": "2026-10-06T03:41:13Z",
+      "repoId": 1166129534,
+      "pullRequestNo": 4226
     }
   ]
 }
\ No newline at end of file