diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8070a20..1bfa97a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12-dev']
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/pyproject.toml b/pyproject.toml
index 5c699a5..5627b63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ version = {attr = "xknxproject.__version__.__version__"}
 include = ["xknxproject*"]
 
 [tool.black]
-target-version = ["py39", "py310", "py311"]
+target-version = ["py39", "py310", "py311", "py312"]
 exclude = "generated"
 
 
diff --git a/tox.ini b/tox.ini
index be7e296..b754f8e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py39, py310, py311, typing, lint, pylint
+envlist = py39, py310, py311, py312, typing, lint, pylint
 skip_missing_interpreters = True
 
 [testenv]