diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c7e151e..fb4154b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - python: '^3.11'
+          - python: '^3.12'
+            os: ubuntu-latest
+          - python: '3.12'
             os: macos-latest
           - python: '3.11'
             os: windows-latest
@@ -29,7 +31,7 @@ jobs:
     runs-on: ${{matrix.os}}
     steps:
       - name: Download source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Python
         uses: actions/setup-python@v4
         with:
@@ -51,11 +53,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       - name: Install Hatch
         run: |
           pip install hatch
diff --git a/.github/workflows/deploy-release.yml b/.github/workflows/deploy-release.yml
index bd62c49..3446498 100644
--- a/.github/workflows/deploy-release.yml
+++ b/.github/workflows/deploy-release.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       - name: Install dependencies
         run: pip install -U build
       - name: Build package
diff --git a/pyproject.toml b/pyproject.toml
index 94ec9ee..8bf3c29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Documentation",
     "Topic :: Software Development :: Documentation",
     "Topic :: Text Processing :: Markup :: Markdown",