diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index df60730..5efc659 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
     - name: Checkout
diff --git a/Dockerfile b/Dockerfile
index 8c88ab5..b4271a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-alpine
+FROM python:3.11-alpine
 
 ENV WORK_DIR=workdir \
   HASSIO_DATA_PATH=/data \
diff --git a/README.md b/README.md
index 9624ac1..060c98d 100644
--- a/README.md
+++ b/README.md
@@ -65,8 +65,8 @@ See [wiki](https://github.com/ParadoxAlarmInterface/pai/wiki/Installation)
 ## Tested Environment
 
 Tested in the following environment:
-* Python 3.6, 3.7, 3.8
-* Mosquitto MQTT Broker >v 1.4.8
+* Python 3.6, 3.7, 3.8, 3.9, 3.10, 3.11
+* Mosquitto MQTT Broker > 1.4.8
 * OrangePi 2G-IOT, NanoPi NEO, and Raspberry Pi 3 through their built in Serial Port (with a level shifter!), or a USB RS232 TTL adapter (CP2102, PL2303, CH340, etc..)
 * Ubuntu Server 16.04.3 LTS
 * Paradox MG5050, SP7000 and EVO panels
diff --git a/pyproject.toml b/pyproject.toml
index 4da8c1a..8624690 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools>=46.4.0"]
 build-backend = "setuptools.build_meta"
 
 [tool.black]
-target-version = ["py38", "py39", "py310", "py311", "py312"]
+target-version = ["py38", "py39", "py310", "py311"]
 exclude = 'generated'
 
 [tool.isort]
diff --git a/setup.cfg b/setup.cfg
index 646aafc..7bdd488 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,13 +21,12 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
 license = EPL
 
 [options]
 zip_safe = True
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.8,<3.12
 install_requires =
     construct~=2.9.43
     argparse>=1.4.0
diff --git a/tox.ini b/tox.ini
index 47a58ef..a0c0e34 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38, py39, py310, py311, py312
+envlist = py38, py39, py310, py311
 isolated_build = True
 skip_missing_interpreters = True