diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a61bd4..0e69358 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## v0.4.0
+Released 30 October 2022
+
+Highlights:
+* Updated: aiobiketrax v0.4.0 for exposing additional data.
+* Improved: migrate alarm switch to an alarm control panel (breaking change).
+* Fixed: read-only mode not persisted.
+* Fixed: unit conversion for imperial units.
+
+The full list of commits can be found [here](https://github.com/basilfx/homeassistant-aiobiketrax/compare/v0.3.0...v0.4.0).
+
 ## v0.3.0
 Released 16 October 2022
 
diff --git a/custom_components/biketrax/manifest.json b/custom_components/biketrax/manifest.json
index d6164a5..b043f3b 100644
--- a/custom_components/biketrax/manifest.json
+++ b/custom_components/biketrax/manifest.json
@@ -10,6 +10,6 @@
   "name": "PowUnity BikeTrax",
   "requirements": ["aiobiketrax==0.4.0"],
   "ssdp": [],
-  "version": "0.3.0",
+  "version": "0.4.0",
   "zeroconf": []
 }
diff --git a/pyproject.toml b/pyproject.toml
index 8e7523e..ca02d95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ profile = "black"
 
 [tool.poetry]
 name = "homeassistant-biketrax"
-version = "0.3.0"
+version = "0.4.0"
 description = "Custom component for the PowUnity BikeTrax integration for Home Assistant."
 authors = ["Bas Stottelaar <basstottelaar@gmail.com>"]