diff --git a/CHANGELOG.md b/CHANGELOG.md
index af729616..9ecf2d69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [2.4.9] - 2019-12-26
+
+Only cosmetic changes.
+
 ## [2.4.8] - 2019-10-28
 
 ### Changed
@@ -151,7 +155,8 @@ No changes.  Only for updating Docker base image.
 
 See [CHANGELOG-0](./CHANGELOG-0.md).
 
-[Unreleased]: https://github.com/cybozu-go/sabakan/compare/v2.4.8...HEAD
+[Unreleased]: https://github.com/cybozu-go/sabakan/compare/v2.4.9...HEAD
+[2.4.9]: https://github.com/cybozu-go/sabakan/compare/v2.4.8...v2.4.9
 [2.4.8]: https://github.com/cybozu-go/sabakan/compare/v2.4.7...v2.4.8
 [2.4.7]: https://github.com/cybozu-go/sabakan/compare/v2.4.6...v2.4.7
 [2.4.6]: https://github.com/cybozu-go/sabakan/compare/v2.4.5...v2.4.6
diff --git a/RELEASE.md b/RELEASE.md
index 48fa41c5..f5685763 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -51,7 +51,7 @@ Bump version
 
 1. Determine a new API/program version number.  Let it write `$VERSION` as `VERSION=x.y.z`.
 2. Checkout `master` branch.
-3. Make a branch to release, for example by `git neco dev "$VERSION"`
+3. Make a branch to release, for example by `git neco dev bump-$VERSION`
 4. Edit `CHANGELOG.md` for the new version ([example][]).
 5. Update `Version` constant in [version.go](./version.go).
 6. Commit the change and push it.
diff --git a/version.go b/version.go
index d3992413..5c03deac 100644
--- a/version.go
+++ b/version.go
@@ -1,7 +1,7 @@
 package sabakan
 
 // Version is sabakan version
-const Version = "2.4.8"
+const Version = "2.4.9"
 
 // SchemaVersion is the schema version
 const SchemaVersion = "3"