diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2537c1f..f1c1e58 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.0"
+  ".": "0.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32bcb09..d50ec83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/coko7/watari/compare/watari-v0.4.0...watari-v0.5.0) (2026-07-06)
+
+
+### Features
+
+* **ui:** redesign layout with sidebar navigation and dark mode ([fc24101](https://github.com/coko7/watari/commit/fc24101cfa0d2e5fb35e4d09f71fd2e85026ec0e))
+
 ## [0.4.0](https://github.com/coko7/watari/compare/watari-v0.3.0...watari-v0.4.0) (2026-07-06)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 55d46c0..80cefc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3711,7 +3711,7 @@ dependencies = [
 
 [[package]]
 name = "watari"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "anyhow",
  "askama",
diff --git a/Cargo.toml b/Cargo.toml
index cb4cf03..0b2598d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "watari"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2024"
 
 [dependencies]