diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9add74862..f6d782c51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@
 
 -->
 
-## 12.x.x (unreleased)
+## 12.88.0 (2021/08/17)
 
 ### Features
 - ノートの翻訳機能を追加
diff --git a/package.json b/package.json
index ac8aa241d..1f7d570f5 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "misskey",
 	"author": "syuilo <syuilotan@yahoo.co.jp>",
-	"version": "12.87.0",
+	"version": "12.88.0",
 	"codename": "indigo",
 	"repository": {
 		"type": "git",