diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a86b02abb..7f75549fcc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,9 @@ ChangeLog (Release Notes)
 =========================
 主に notable な changes を書いていきます
 
-unreleased
-----------
+2544 (2017/09/06)
+-----------------
+* 投稿のカテゴリに関する実験的な実装
 * l10n
 * ユーザビリティの向上
 
diff --git a/package.json b/package.json
index 31cf7a02cd..e2b7922b1b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "misskey",
   "author": "syuilo <i@syuilo.com>",
-  "version": "0.0.2520",
+  "version": "0.0.2544",
   "license": "MIT",
   "description": "A miniblog-based SNS",
   "bugs": "https://github.com/syuilo/misskey/issues",