diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d442956e5..dd48c9026 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,6 +46,8 @@ jobs:
               python-version: '3.9'
             - os: ubuntu-latest
               python-version: '3.12'
+            - os: ubuntu-latest
+              python-version: '3.13'
 
     runs-on: ${{ matrix.os }}
     timeout-minutes: 60
diff --git a/docs/admin/install.rst b/docs/admin/install.rst
index 3095f0323..67df06b05 100644
--- a/docs/admin/install.rst
+++ b/docs/admin/install.rst
@@ -49,7 +49,7 @@ After installation, you should have a ``moin`` command available, try it:
 
  moin --help
 
-If you are running Python 3.12.+ and get a traceback with::
+If you are running Python 3.12+ and get a traceback with::
 
  ModuleNotFoundError: No module named 'pkg_resources'
 
diff --git a/pyproject.toml b/pyproject.toml
index 33811b838..27faf8d01 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Internet :: WWW/HTTP :: WSGI",
     "Topic :: Internet :: WWW/HTTP :: WSGI :: Application",
     "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
@@ -162,7 +163,7 @@ skips = ["B101", "B105", "B106", "B307", "B311", "B403", "B608"]
 
 [tool.tox]
 requires = ["tox>=4.21"]
-envlist = ["3.9", "3.10", "3.11", "3.12", "ruff"]
+envlist = ["3.9", "3.10", "3.11", "3.12", "3.13", "ruff"]
 
 [tool.tox.env_run_base]
 description = "Run tests under {base_python}"