diff --git a/CHANGELOG.md b/CHANGELOG.md
index df66eba..5f72d6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,10 +3,12 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [2.4.6] - 2024-07-12
 
 - Update dependencies in [#200](https://github.com/cybozu-go/placemat/pull/200)
 
+## [Unreleased]
+
 ## [2.4.5] - 2024-04-04
 
 ### Changed
@@ -263,7 +265,8 @@ See [upgrade_v2.md](docs/upgrade_v2.md) for more information.
 
 - Many things.  See git log.
 
-[Unreleased]: https://github.com/cybozu-go/placemat/compare/v2.4.5...HEAD
+[Unreleased]: https://github.com/cybozu-go/placemat/compare/v2.4.6...HEAD
+[2.4.6]: https://github.com/cybozu-go/placemat/compare/v2.4.5...v2.4.6
 [2.4.5]: https://github.com/cybozu-go/placemat/compare/v2.4.4...v2.4.5
 [2.4.4]: https://github.com/cybozu-go/placemat/compare/v2.4.3...v2.4.4
 [2.4.3]: https://github.com/cybozu-go/placemat/compare/v2.4.2...v2.4.3
diff --git a/v2/version.go b/v2/version.go
index 76e943b..7a01ce8 100644
--- a/v2/version.go
+++ b/v2/version.go
@@ -5,7 +5,7 @@ import (
 	"strings"
 )
 
-const version = "2.4.5"
+const version = "2.4.6"
 
 // Version returns the semantic versioning string of Coil.
 func Version() string {