diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index fae9304..f738b28 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -37,10 +37,10 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-    - name: Set up Python 3.12
+    - name: Set up Python 3.13
       uses: actions/setup-python@v5
       with:
-        python-version: "3.12"
+        python-version: "3.13"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33799e4..31ac310 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+- update dependency python to 3.13
 - add initial support for TSUN MS-3000
 - add initial apparmor support [#293](https://github.com/s-allius/tsun-gen3-proxy/issues/293)
 - add Modbus polling mode for DCU1000 [#292](https://github.com/s-allius/tsun-gen3-proxy/issues/292)
diff --git a/README.md b/README.md
index 186c828..73ebe5a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 <p align="center">integration</p>
 <p align="center">
     <a href="https://opensource.org/licenses/BSD-3-Clause"><img alt="License: BSD-3-Clause" src="https://img.shields.io/badge/License-BSD_3--Clause-green.svg"></a>
-    <a href="https://www.python.org/downloads/release/python-3120/"><img alt="Supported Python versions" src="https://img.shields.io/badge/python-3.12-blue.svg"></a>
+    <a href="https://www.python.org/downloads/release/python-3130/"><img alt="Supported Python versions" src="https://img.shields.io/badge/python-3.13-blue.svg"></a>
     <a href="https://sbtinstruments.github.io/aiomqtt/introduction.html"><img alt="Supported aiomqtt versions" src="https://img.shields.io/badge/aiomqtt-2.3.0-lightblue.svg"></a>
     <a href="https://libraries.io/pypi/aiocron"><img alt="Supported aiocron versions" src="https://img.shields.io/badge/aiocron-1.8-lightblue.svg"></a>
     <a href="https://toml.io/en/v1.0.0"><img alt="Supported toml versions" src="https://img.shields.io/badge/toml-1.0.0-lightblue.svg"></a>