diff --git a/CHANGELOG.md b/CHANGELOG.md
index a54b613c82..9aed010214 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Unreleased
+## 2025.5.0
 
 ### General
 -
diff --git a/package.json b/package.json
index 8649d1eac7..e10f4e9461 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "2025.4.1",
+	"version": "2025.5.0-alpha.0",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/misskey-js/package.json b/packages/misskey-js/package.json
index 63fbebd5b5..7941caf632 100644
--- a/packages/misskey-js/package.json
+++ b/packages/misskey-js/package.json
@@ -1,7 +1,7 @@
 {
 	"type": "module",
 	"name": "misskey-js",
-	"version": "2025.4.1",
+	"version": "2025.5.0-alpha.0",
 	"description": "Misskey SDK for JavaScript",
 	"license": "MIT",
 	"main": "./built/index.js",