diff --git a/participants.md b/participants.md
index 02a8cda..fef4efc 100644
--- a/participants.md
+++ b/participants.md
@@ -51,6 +51,7 @@ Index | Name | Email | Completed date
 047 | Dorian Wu  | yit323487@163.com | 2020-02-10
 048 | Allen Cheng  | ctx157194515@126.com | 2020-02-10      |
 049 | Dzyk  | yes@dzyk.ru | 2020-02-11      |
+050 | Allen Lee | al6303076@gmail.com | 2020-02-11
 
 ## Ongoing participants