diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a382cf1..0ceb7936 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,11 +34,13 @@ jobs:
         - "3.10"
         - "3.11"
         - "3.12"
+        - "3.13"
+        - "3.14"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Check Python version
@@ -46,13 +48,13 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install .[test] pytest-cov
+          python -m pip install .[test]
       - name: Test with pytest
         run: >
           python -m pytest
           -vv
           --cov . --cov-append --cov-config pyproject.toml
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           flags: unittests
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 18d72289..3e276a26 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,20 +16,21 @@ env:
   FORCE_COLOR: "1"
 
 jobs:
-  ruff:
+  lint:
+    name: "Ruff & MyPy"
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
-        python-version: "3"
-    - name: Install pip
-      run: python -m pip install --upgrade pip
-
-    - name: Install Ruff
-      run: python -m pip install "ruff==0.5.2"
+        python-version: "3.13"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install .[lint] pytest
+      # Also install pytest here, otherwise mypy will complain about our test files
 
     - name: Lint with Ruff
       run: ruff check . --output-format github
@@ -37,36 +38,24 @@ jobs:
     - name: Format with Ruff
       run: ruff format . --diff
 
-  mypy:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: "3"
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install ".[lint,test]"
-    - name: Type check with mypy
+    - name: Type check with MyPy
       run: mypy
 
   twine:
+    name: "Check packing with Twine"
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
-        python-version: "3"
+        python-version: "3.13"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         python -m pip install --upgrade twine build
-    - name: Lint with twine
+    - name: Check with twine
       run: |
         python -m build .
         twine check dist/*
diff --git a/pyproject.toml b/pyproject.toml
index 4332e39b..d12979da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ lint = [
 ]
 test = [
     "pytest>=8.0",
-    "coverage>=6.5",
+    "pytest-cov",
     "lxml>=4.9",
     "setuptools>=70.0",  # for Cython compilation
     "typing_extensions>=4.9",  # for typing_extensions.Unpack
diff --git a/sphinxarg/ext.py b/sphinxarg/ext.py
index d318b0ad..8846cdbb 100644
--- a/sphinxarg/ext.py
+++ b/sphinxarg/ext.py
@@ -158,7 +158,7 @@ def print_action_groups(
                 arg = []
                 if 'choices' in entry:
                     arg.append(
-                        f"Possible choices: {', '.join(str(c) for c in entry['choices'])}\n"
+                        f'Possible choices: {", ".join(str(c) for c in entry["choices"])}\n'
                     )
                 if 'help' in entry:
                     arg.append(entry['help'])
diff --git a/sphinxarg/parser.py b/sphinxarg/parser.py
index cfb9b8ba..2a2400c1 100644
--- a/sphinxarg/parser.py
+++ b/sphinxarg/parser.py
@@ -18,7 +18,7 @@ def parser_navigate(parser_result, path, current_path=None):
     if len(path) == 0:
         return parser_result
     if 'children' not in parser_result:
-        msg = f"Current parser has no child elements.  (path: {' '.join(current_path)})"
+        msg = f'Current parser has no child elements.  (path: {" ".join(current_path)})'
         raise NavigationException(msg)
     next_hop = path.pop(0)
     for child in parser_result['children']:
@@ -28,8 +28,8 @@ def parser_navigate(parser_result, path, current_path=None):
             current_path.append(next_hop)
             return parser_navigate(child, path, current_path)
     msg = (
-        f"Current parser has no child element with name: {next_hop} "
-        f"(path: {' '.join(current_path)})"
+        f'Current parser has no child element with name: {next_hop} '
+        f'(path: {" ".join(current_path)})'
     )
     raise NavigationException(msg)
 
@@ -88,7 +88,7 @@ def parse_parser(parser, data=None, **kwargs):
             subalias = subsection_alias[subaction]
             subaction.prog = f'{parser.prog} {name}'
             subdata = {
-                'name': name if not subalias else f"{name} ({', '.join(subalias)})",
+                'name': name if not subalias else f'{name} ({", ".join(subalias)})',
                 'help': helps.get(name, ''),
                 'usage': subaction.format_usage().strip(),
                 'bare_usage': _format_usage_without_prefix(subaction),