diff --git a/.vitepress/inlined-scripts/restorePreference.js b/.vitepress/inlined-scripts/restorePreference.js
index 1c79bc55b..400487183 100644
--- a/.vitepress/inlined-scripts/restorePreference.js
+++ b/.vitepress/inlined-scripts/restorePreference.js
@@ -8,6 +8,6 @@
   restore('vue-docs-prefer-composition', 'prefer-composition', true)
   restore('vue-docs-prefer-sfc', 'prefer-sfc', true)
 
-  window.__VUE_BANNER_ID__ = 'vue-fes-japan-2023-ticket'
+  window.__VUE_BANNER_ID__ = 'vue-fes-japan-2023-ticket-earlybird-extended'
   restore(`vue-docs-banner-${__VUE_BANNER_ID__}`, 'banner-dismissed')
 })()
diff --git a/.vitepress/theme/components/Banner.vue b/.vitepress/theme/components/Banner.vue
index da45afa99..02c5800c7 100644
--- a/.vitepress/theme/components/Banner.vue
+++ b/.vitepress/theme/components/Banner.vue
@@ -23,7 +23,7 @@ function dismiss() {
 <template>
   <div class="banner" v-if="open">
     <a href="https://vuefes.jp/2023/#ticket" target="_blank">
-      Vue Fes Japan 2023 チケット発売開始！ <span>9月18日（月）までのご購入で 1,000円 OFF!</span>
+      Vue Fes Japan 2023 チケット発売開始！ <span>9月30日（土）までのご購入で 1,000円 OFF!</span>
     </a>
     <button @click="dismiss">
       <VTIconPlus class="close" />