diff --git a/content/challenges/84.md b/content/challenges/84.md
index e1687b4..d94ed4c 100644
--- a/content/challenges/84.md
+++ b/content/challenges/84.md
@@ -160,6 +160,6 @@ japanese:
 date: 2022-11-08
 ---
 
-This week's challenge is from the lyrics of Clannad's だんご[大]{だい}[家]{か}[族]{ぞく} ([YouTube](https://www.youtube.com/watch?v=0NF1lPiMXkY)):
+This week's challenge is from the lyrics of Clannad's だんご[大]{だい}[家]{か}[族]{ぞく} ([YouTube](https://www.youtube.com/watch?v=kAImtagQL_I)):
 
-{{< youtube 0NF1lPiMXkY >}}
+{{< youtube kAImtagQL_I >}}