diff --git a/signatures/cla.json b/signatures/cla.json
index 22632e9bbd..b4c99da490 100644
--- a/signatures/cla.json
+++ b/signatures/cla.json
@@ -7591,6 +7591,14 @@
       "created_at": "2026-04-24T22:04:15Z",
       "repoId": 965415649,
       "pullRequestNo": 19432
+    },
+    {
+      "name": "mchen-oai",
+      "id": 250037145,
+      "comment_id": 4317273569,
+      "created_at": "2026-04-25T00:51:35Z",
+      "repoId": 965415649,
+      "pullRequestNo": 19473
     }
   ]
 }
\ No newline at end of file