diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0532cef..62fc124 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,25 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4.0] - 2026-02-28
+
+### Features
+
+- [`ac55216`](https://gitea.pufereq.pl/judas/judas_client/commit/ac5521618ba89b25fd31f09357470ed96cd405cf) **client.py**: add custom ID support with `JUDAS_ID` env variable
+- [`6486607`](https://gitea.pufereq.pl/judas/judas_client/commit/64866079d7e2087be7dd8588b22be73006605a91) **connector.py**: handle `CONTROL.CLOSE` msgs
+
+### Miscellaneous Tasks
+
+- [`448ffa4`](https://gitea.pufereq.pl/judas/judas_client/commit/448ffa443d0b7b464d3f70f81a0b1b3f17765484) **uv.lock**: update depedencies for Python 3.14
+
+### Refactor
+
+- [`11ae93e`](https://gitea.pufereq.pl/judas/judas_client/commit/11ae93ed3ceac148097f4246e53e2150a653fcf8) **client.py**: rename `Client.mac_address` -> `Client.id`
+
+### Build
+
+- [`2d8dc06`](https://gitea.pufereq.pl/judas/judas_client/commit/2d8dc06fa1087bb1ed968d798dc82cd0c6159e16) **uv.lock**: update judas_protocol to 0.6.0
+
 ## [0.3.0] - 2025-11-30
 
 ### Bug Fixes
diff --git a/pyproject.toml b/pyproject.toml
index af35097..5bb8e7f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "judas_client"
-version = "0.3.0"
+version = "0.4.0"
 description = "A client for judas, a remote PC fleet management system."
 readme = "README.md"
 authors = []
diff --git a/uv.lock b/uv.lock
index 86b0594..566cb1f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -275,7 +275,7 @@ wheels = [
 
 [[package]]
 name = "judas-client"
-version = "0.3.0"
+version = "0.4.0"
 source = { editable = "." }
 dependencies = [
     { name = "judas-protocol" },