diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d5d4310..b0fbd82 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,6 +26,7 @@ jobs:
           - '3.10'
           - '3.11'
           - '3.12'
+          - '3.13'
     runs-on: ${{ matrix.os }}
 
     name: ${{ matrix.os }}, Python ${{ matrix.python-version }}
@@ -42,22 +43,24 @@ jobs:
     - name: Install tox
       run: uv tool install --with tox-gh-actions --with tox-uv tox
 
-    - name: Run tests with PyTest 6
+    - name: Run tests with PyTest 8
       run: tox
       env:
-        PYTEST_MAJOR_VERSION: 6
+        PYTEST_MAJOR_VERSION: 8
         PYTEST_PLUGINS: pytest_github_actions_annotate_failures
 
     - name: Run tests with PyTest 7
       run: tox
+      if: runner.os != 'Windows'
       env:
         PYTEST_MAJOR_VERSION: 7
         PYTEST_PLUGINS: pytest_github_actions_annotate_failures
 
-    - name: Run tests with PyTest 8
+    - name: Run tests with PyTest 6
       run: tox
+      if: runner.os != 'Windows'
       env:
-        PYTEST_MAJOR_VERSION: 8
+        PYTEST_MAJOR_VERSION: 6
         PYTEST_PLUGINS: pytest_github_actions_annotate_failures
 
   post-test:
diff --git a/pyproject.toml b/pyproject.toml
index 70e582c..3458c6d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,6 +30,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python",
   "Topic :: System :: Systems Administration",
diff --git a/tox.ini b/tox.ini
index 11016c2..bc948ac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{38,39,310,311,312}-pytest{6,7,8}
+    py{38,39,310,311,312,313}-pytest{6,7,8}
 
 [gh-actions]
 python =
@@ -9,6 +9,7 @@ python =
     3.10: py310
     3.11: py311
     3.12: py312
+    3.13: py313
 
 [gh-actions:env]
 PYTEST_MAJOR_VERSION =