diff --git a/signatures/version1/cla.json b/signatures/version1/cla.json
index 9008bb24..04dc2480 100644
--- a/signatures/version1/cla.json
+++ b/signatures/version1/cla.json
@@ -183,6 +183,14 @@
       "created_at": "2024-01-10T15:43:13Z",
       "repoId": 16962535,
       "pullRequestNo": 1654
+    },
+    {
+      "name": "changmyeong",
+      "id": 21070153,
+      "comment_id": 1902271021,
+      "created_at": "2024-01-20T21:38:33Z",
+      "repoId": 16962535,
+      "pullRequestNo": 1657
     }
   ]
 }
\ No newline at end of file