diff --git a/packages/frontend/src/pages/about-misskey.vue b/packages/frontend/src/pages/about-misskey.vue
index 960df5948..b481fd590 100644
--- a/packages/frontend/src/pages/about-misskey.vue
+++ b/packages/frontend/src/pages/about-misskey.vue
@@ -371,6 +371,7 @@ const patrons = [
 	'塩キャベツ',
 	'はとぽぷさん',
 	'100の人 (エスパー・イーシア)',
+	'ケモナーのケシン',
 ];
 
 const thereIsTreasure = ref($i && !claimedAchievements.includes('foundTreasure'));