diff --git a/klaytn-hacker-house/on-site-sessions/gmvietnam-hackerhouse/registrations.md b/klaytn-hacker-house/on-site-sessions/gmvietnam-hackerhouse/registrations.md
index 671f61a..c532502 100644
--- a/klaytn-hacker-house/on-site-sessions/gmvietnam-hackerhouse/registrations.md
+++ b/klaytn-hacker-house/on-site-sessions/gmvietnam-hackerhouse/registrations.md
@@ -6,6 +6,7 @@ Add your information to the below list to officially participate in the workshop
 | Emoji | Name | Telegram ID    | Github ID | Dorahacks ID | Day 1 | Day 2 | 
 | ----- | ---- | ------------------ | ------ | ------------ | ----- | ----- |
 | 🧑‍⚖️    | ZxStim | zxstim           | zxstim | zxstim       |  y  |       |
+| 🧑‍⚖️    | Kay | kayx86           | chauanhtuan185 | kayx86      |  y  |       |
 | ---   | ---    | ---              | ------ | ---          | ---   | ---   |
 
 ⬆️ Submit your registration by adding your information to the table above and open a pull request. After the request is merged, you will get 10 `KLAY` airdrop per day for gas.