diff --git a/CHANGELOG.md b/CHANGELOG.md
index 214f23b..6d6d783 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [0.5.0] - 2023-02-28
+
+### Changed
+
+- Support Kubernetes 1.25 ([#29](https://github.com/cybozu-go/pod-security-admission/pull/29))
+    - Build with go 1.20
+    - Update Ubuntu to 22.04
+    - Update dependencies
+
 ## [0.4.0] - 2023-01-31
 
 ### Added
@@ -53,7 +62,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 This is the first release.
 
-[Unreleased]: https://github.com/cybozu-go/pod-security-admission/compare/v0.4.0...HEAD
+[Unreleased]: https://github.com/cybozu-go/pod-security-admission/compare/v0.5.0...HEAD
+[0.5.0]: https://github.com/cybozu-go/pod-security-admission/compare/v0.4.0...v0.5.0
 [0.4.0]: https://github.com/cybozu-go/pod-security-admission/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/cybozu-go/pod-security-admission/compare/v0.2.4...v0.3.0
 [0.2.4]: https://github.com/cybozu-go/pod-security-admission/compare/v0.2.3...v0.2.4
diff --git a/config/manager/kustomization.yaml b/config/manager/kustomization.yaml
index c2fca1c..54128cb 100644
--- a/config/manager/kustomization.yaml
+++ b/config/manager/kustomization.yaml
@@ -3,7 +3,7 @@ resources:
 
 images:
 - name: pod-security-admission
-  newTag: 0.4.0
+  newTag: 0.5.0
   newName: quay.io/cybozu/pod-security-admission
 
 generatorOptions:
diff --git a/version.go b/version.go
index 7b3f957..792b0ce 100644
--- a/version.go
+++ b/version.go
@@ -1,6 +1,6 @@
 package psa
 
-const version = "0.4.0"
+const version = "0.5.0"
 
 // Version returns the semantic versioning string of pod-security-admission.
 func Version() string {