diff --git a/CHANGELOG-Japanese.md b/CHANGELOG-Japanese.md
index d96b4d0fc..a2e685346 100644
--- a/CHANGELOG-Japanese.md
+++ b/CHANGELOG-Japanese.md
@@ -1,6 +1,6 @@
 # 変更点
 
-## x.x.x [xxxx/xx/xx]
+## 3.0.0 [2024/12/25] - 3rd Year Anniversary Release
 
 **新機能:**
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08c9308af..bc9b69acc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changes
 
-## x.x.x [xxxx/xx/xx]
+## 3.0.0 [2024/12/25] - 3rd Year Anniversary Release
 
 **New Features:**