diff --git a/README.md b/README.md
index 5460b37..f5da444 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Profile Picture | Name | Grade | GitHub username
|
| Aaron Li | 11 | aaronli39 |
|
| Mohammed Jamil | 11 | Zer0-M |
|
| En Yu Zhang | 11 | ezhang3 |
-  | Jonathan Lee | 9 | RubbrDuck |
+  | Jonathan Lee | 9 | kcSaya |
|
| Darius Jankauskas | 10 | DJankauskas |
|
| Sabrina Xiao | 11 | sxiao1 |
|
| Ruoshui | 9 | ruoshuim |