2 files changed, 3 insertions, 1 deletions

diff --git a/cyw43/CHANGELOG.md b/cyw43/CHANGELOG.md
index fc4b4930e..c800e785b 100644
--- a/cyw43/CHANGELOG.md
+++ b/cyw43/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 <!-- next-header -->
 ## Unreleased - ReleaseDate
 
+## 0.4.0 - 2025-07-15
+
 - bump embassy-sync to 0.7.0
 - bump bt-hci to 0.3.0
 - make State::new const fn
diff --git a/cyw43/Cargo.toml b/cyw43/Cargo.toml
index c52a653bd..c4b399d29 100644
--- a/cyw43/Cargo.toml
+++ b/cyw43/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cyw43"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 description = "Rust driver for the CYW43439 WiFi chip, used in the Raspberry Pi Pico W."
 keywords = ["embedded", "cyw43", "embassy-net", "embedded-hal-async", "wifi"]