diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0edfb65..40fced39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0](https://github.com/roadster-rs/roadster/compare/roadster-v0.3.5...roadster-v0.4.0) - 2024-07-01
+
+### Added
+- [**breaking**] Implement health check API using `HealthCheck` trait ([#255](https://github.com/roadster-rs/roadster/pull/255))
+- [**breaking**] Switch to Axum's `FromRef` for custom state ([#250](https://github.com/roadster-rs/roadster/pull/250))
+
+### Other
+- [**breaking**] Remove deprecated items in preparation of 0.4 release ([#253](https://github.com/roadster-rs/roadster/pull/253))
+- Add example for integrating with Leptos ([#252](https://github.com/roadster-rs/roadster/pull/252))
+- Use small number of sidekiq workers for `full` example in dev/test ([#251](https://github.com/roadster-rs/roadster/pull/251))
+
 ## [0.3.5](https://github.com/roadster-rs/roadster/compare/roadster-v0.3.4...roadster-v0.3.5) - 2024-06-24
 
 ### Fixed
diff --git a/Cargo.toml b/Cargo.toml
index cdc5ebc3..99e68029 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "roadster"
-version = "0.3.5"
+version = "0.4.0"
 edition = "2021"
 publish = true
 description = "A \"Batteries Included\" web framework for rust designed to get you moving fast."
diff --git a/examples/full/Cargo.toml b/examples/full/Cargo.toml
index d1801fc6..496f576a 100644
--- a/examples/full/Cargo.toml
+++ b/examples/full/Cargo.toml
@@ -11,7 +11,7 @@ default = ["grpc"]
 grpc = ["roadster/grpc", "dep:tonic", "dep:tonic-reflection", "dep:prost"]
 
 [dependencies]
-roadster = { version = "0.3", path = "../.." }
+roadster = { version = "0.4", path = "../.." }
 tokio = { workspace = true }
 tokio-util = { workspace = true }
 anyhow = { workspace = true }
diff --git a/examples/leptos-ssr/Cargo.toml b/examples/leptos-ssr/Cargo.toml
index 11899064..86192c99 100644
--- a/examples/leptos-ssr/Cargo.toml
+++ b/examples/leptos-ssr/Cargo.toml
@@ -24,7 +24,7 @@ ssr = [
 ]
 
 [dependencies]
-roadster = { version = "0.3", path = "../..", optional = true, default-features = false, features = ["http", "db-sql", "cli"] }
+roadster = { version = "0.4", path = "../..", optional = true, default-features = false, features = ["http", "db-sql", "cli"] }
 tokio = { workspace = true, optional = true }
 tokio-util = { workspace = true, optional = true }
 anyhow = { workspace = true }