diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffbdcc8..3b613e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,60 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.3.0] - 2025-09-19
+
+### Bug Fixes
+
+- [`b68c755`](https://github.com/pufereq/template-repo/commit/b68c755c450c7b13f95b335fc93810847306708c) **backend_server.py**: send ack on connect
+- [`2922123`](https://github.com/pufereq/template-repo/commit/2922123a7050a9438b024067ebad2901adb84fe3) **backend/__init__.py**: fix backend_server import
+- [`c0cacfa`](https://github.com/pufereq/template-repo/commit/c0cacfad2d13799d3472a5d033ae15fd668401f9) **backend_server.py**: fix server waiting for closed socket to dissapear by reusing it in `__init__()`
+
+### Documentation
+
+- [`b9a7c2b`](https://github.com/pufereq/template-repo/commit/b9a7c2bdaf4be8dcea4c6f3196a6092f76eac183) **backend_server.py**: add TODO in `_handle_connection()`
+
+### Features
+
+- [`df0b19d`](https://github.com/pufereq/template-repo/commit/df0b19d94361f63d7ae3def51e3f9360242755b7) **routes/api.py**: support mulitple clients correctly
+- [`f2b4811`](https://github.com/pufereq/template-repo/commit/f2b4811145a0a45b2a866aefb095f833c8cb50ae) **backend_server.py**: add `BackendServer._send_ack()` helper method
+- [`d5985cf`](https://github.com/pufereq/template-repo/commit/d5985cf5945a304505546ef733631bc33d004621) **__main__.py**: display ascii judas splash screen on launch
+- [`b9fd84d`](https://github.com/pufereq/template-repo/commit/b9fd84d08f24bb21e51b48b529f62bfe2671c895) **gaga.py**: add Lady Gaga's Born This Way album art ASCII
+- [`c0ad91b`](https://github.com/pufereq/template-repo/commit/c0ad91b22f0e011da1021ead1c126a94aaf90f44) **backend_server.py**: re-add the `get_client_data()` method
+- [`2ecd32d`](https://github.com/pufereq/template-repo/commit/2ecd32decce95e6aec74433ef3255bc4cf3c3988) **client.py**: add `Client` class
+- [`1c96390`](https://github.com/pufereq/template-repo/commit/1c96390f3cade804b2667bb69bec4419703a6d56) **backend_server.py**: add error handling for HELLO message handler in `_accept_connection()`
+- [`639e1f7`](https://github.com/pufereq/template-repo/commit/639e1f73a07286bce1a1ef227d216a722e3fa214) **server.py**: add socket-based communication
+
+### Miscellaneous Tasks
+
+- [`54512d8`](https://github.com/pufereq/template-repo/commit/54512d8393a32f59a9aaddf5a52cb18ee9986fdf) **routes/api.py**: adapt `emit_polled_data()` for `Client` class
+- [`ac66ce1`](https://github.com/pufereq/template-repo/commit/ac66ce19998a4518a346b6608645486121cd2123) **backend_server.py**: set `Client.last_seen` on message receive
+
+### Refactor
+
+- [`0d074ad`](https://github.com/pufereq/template-repo/commit/0d074adc0d441428baac6858ff57717f3164cf6a) **backend_server.py**: use `_send_ack()` in `_handle_connection()`
+- [`ac77992`](https://github.com/pufereq/template-repo/commit/ac7799213cba82dbb189919873130647d7c87a78) **__main__.py**: provide `host` and `port` args to `BackendServer` explicitly
+- [`b5670e5`](https://github.com/pufereq/template-repo/commit/b5670e5d2cf08a031b99478de57aa53cba78bd5b) **server.py**: rename `server.py` to `backend_server.py` for clarity
+
+### Styling
+
+- [`6bbb152`](https://github.com/pufereq/template-repo/commit/6bbb152ae1b1178aa77cf54c6e0f544a0fed66ef) **panel.py**: order imports
+- [`b14541e`](https://github.com/pufereq/template-repo/commit/b14541ea8302679091b519e3b6f630fabc0ce476) **index.py**: order imports
+- [`7d36e6e`](https://github.com/pufereq/template-repo/commit/7d36e6e43132a687d0494f14f36d9b4dc357abaf) **auth.py**: order imports
+- [`98c49b1`](https://github.com/pufereq/template-repo/commit/98c49b1d0d9bb7653a12c7558b5e6daf62a7762b) **api.py**: order imports
+- [`377a846`](https://github.com/pufereq/template-repo/commit/377a846c5982be129724a84b4b77a6fb69fd03df) **client.py**: order imports
+- [`a27b5b1`](https://github.com/pufereq/template-repo/commit/a27b5b1275fadfb2049fa5e5c535b6667ae37ab5) **backend_server.py**: order imports
+- [`19aa80a`](https://github.com/pufereq/template-repo/commit/19aa80a08ebe65685209678b5daf061ffbf19840) **__main__.py**: order imports
+- [`f7f6f19`](https://github.com/pufereq/template-repo/commit/f7f6f19808b19ae95bc361d00123a13c4afd344d) **__main__.py**: organize imports
+- [`cafef5e`](https://github.com/pufereq/template-repo/commit/cafef5ed932ea5456260398b44e42d71702a386a) **backend_server.py**: remove unused imports
+
+### Build
+
+- [`66db11c`](https://github.com/pufereq/template-repo/commit/66db11c40b34d5315eda2a7dc19cd8ae428ae862) add ruff lint depedency
+- [`d96fec0`](https://github.com/pufereq/template-repo/commit/d96fec0222bbf707bc1aa48a6d215dbfec93f159) **web_server.py**: order imports
+- [`a1b28fa`](https://github.com/pufereq/template-repo/commit/a1b28faa9ff30ddf9da4e882c0bbac27f4863480) add isort as lint depedency
+- [`4e16a70`](https://github.com/pufereq/template-repo/commit/4e16a70174a4492ec59a2ff356deddd758e3e6e1) **uv.lock**: add depedency on judas_protocol
+- [`4aa2ca4`](https://github.com/pufereq/template-repo/commit/4aa2ca426c2ae3ac29724f70aa9a07e7eb5a723b) **pyproject.toml**: add depedency on judas_protocol
+
 ## [0.2.0] - 2025-08-26
 
 ### Bug Fixes
diff --git a/pyproject.toml b/pyproject.toml
index 2e40610..fcfe230 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "judas_server"
-version = "0.2.0"
+version = "0.3.0"
 description = "The backbone of the remote PC fleet management system."
 readme = "README.md"
 authors = []
diff --git a/uv.lock b/uv.lock
index 6a3b219..f849611 100644
--- a/uv.lock
+++ b/uv.lock
@@ -324,7 +324,7 @@ source = { git = "https://gitea.pufereq.pl/judas/judas_protocol.git#fd070b176347
 
 [[package]]
 name = "judas-server"
-version = "0.2.0"
+version = "0.3.0"
 source = { editable = "." }
 dependencies = [
     { name = "flask" },