diff --git a/signatures/cla.json b/signatures/cla.json
index 60ea9b8..2159f06 100644
--- a/signatures/cla.json
+++ b/signatures/cla.json
@@ -287,6 +287,14 @@
       "created_at": "2026-01-07T12:53:05Z",
       "repoId": 1108837393,
       "pullRequestNo": 574
+    },
+    {
+      "name": "sungchul2",
+      "id": 33727805,
+      "comment_id": 3719053716,
+      "created_at": "2026-01-07T14:07:09Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 576
     }
   ]
 }
\ No newline at end of file