diff --git a/source/index.html.slim b/source/index.html.slim
index ace0a36..a971210 100644
--- a/source/index.html.slim
+++ b/source/index.html.slim
@@ -43,8 +43,8 @@ section.warn-notice
     = link_to "https://www.twitch.tv/sabaco_waseda"
       | https://www.twitch.tv/sabaco_waseda
   p.text-center
-    = link_to "https://twipla.jp/users/kosendj"
-      | TwiPla予約ページ(準備中)
+    = link_to "https://twipla.jp/events/598316"
+      | TwiPla予約ページ
 
 a(name="time_table")
 .container.time-table