diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c831277039b..1c8285e3493 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,40 +8,31 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        name: [py36, py37, py38, py39, py310]
+        name: ["py36", "py37", "py38", "py39", "py310", "py311-dev"]
         include:
-        - name: py36
-          python: 3.6
+        - python: "3.6"
           docutils: du14
-        - name: py37
-          python: 3.7
+        - python: "3.7"
           docutils: du15
-        - name: py38
-          python: 3.8
+        - python: "3.8"
           docutils: du16
-        - name: py39
-          python: 3.9
+        - python: "3.9"
           docutils: du17
-          coverage: "--cov ./ --cov-append --cov-config setup.cfg"
-        - name: py310
-          python: "3.10"
-          docutils: du17
-        - name: py311-dev
-          python: 3.11-dev
+        - python: "3.10"
+          docutils: du18
+        - python: "3.11-dev"
           docutils: py311
-    env:
-      PYTEST_ADDOPTS: ${{ matrix.coverage }}
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       if: "!endsWith(matrix.python, '-dev')"
       with:
         python-version: ${{ matrix.python }}
     - name: Set up Python ${{ matrix.python }} (deadsnakes)
       uses: deadsnakes/action@v2.0.1
-      if: endsWith(matrix.python, '-dev')
+      if: "endsWith(matrix.python, '-dev')"
       with:
         python-version: ${{ matrix.python }}
     - name: Check Python version
@@ -49,29 +40,48 @@ jobs:
     - name: Install graphviz
       run: sudo apt-get install graphviz
     - name: Install dependencies
-      run: pip install -U tox codecov
-    - name: Install the latest py package (for py3.11-dev)
-      run: pip install -U git+https://github.com/pytest-dev/py
-      if: ${{ matrix.python == '3.11-dev' }}
+      run: python -m pip install -U tox pip
     - name: Run Tox
       run: tox -e ${{ matrix.docutils }} -- -vv
-    - name: codecov
-      uses: codecov/codecov-action@v1
-      if: matrix.coverage
 
   windows:
     runs-on: windows-2019
-    strategy:
-      matrix:
-        architecture: [x86, x64]
-
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v3
       with:
-        architecture: ${{ matrix.architecture }}
+        python-version: 3
+        architecture: "x64"
     - name: Install dependencies
-      run:  pip install -U tox
+      run:  python -m pip install -U tox pip
     - name: Run Tox
       run:  tox -e py -- -vv
+
+  coverage:
+    if: github.repository_owner == 'sphinx-doc'
+    runs-on: ubuntu-latest
+    env:
+      PYTEST_ADDOPTS: "--cov ./ --cov-append --cov-config setup.cfg"
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3
+      uses: actions/setup-python@v3
+      with:
+        python-version: 3
+
+    - name: Check Python version
+      run: python --version
+
+    - name: Install graphviz
+      run: sudo apt-get install graphviz
+
+    - name: Install dependencies
+      run: python -m pip install -U tox pip codecov
+
+    - name: Run Tox
+      run: tox -e du18 -- -vv
+
+    - name: codecov
+      uses: codecov/codecov-action@v1
diff --git a/CHANGES b/CHANGES
index e192045e759..9268cb93a77 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,7 @@ Release 5.0.0 (in development)
 
 Dependencies
 ------------
+* #10164: Support Docutils version 0.18
 
 Incompatible changes
 --------------------
diff --git a/doc/usage/configuration.rst b/doc/usage/configuration.rst
index 133a0e227b4..677eb39271a 100644
--- a/doc/usage/configuration.rst
+++ b/doc/usage/configuration.rst
@@ -552,7 +552,7 @@ General configuration
          make latex O="-D smartquotes_action="
 
       This can follow some ``make html`` with no problem, in contrast to the
-      situation from the prior note.  It requires Docutils 0.14 or later.
+      situation from the prior note.
 
    .. versionadded:: 1.6.6
 
diff --git a/setup.py b/setup.py
index 860aae57e04..dda01fc52ab 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
     'sphinxcontrib-qthelp',
     'Jinja2>=2.3',
     'Pygments>=2.0',
-    'docutils>=0.14,<0.18',
+    'docutils>=0.14,<0.19',
     'snowballstemmer>=1.1',
     'babel>=1.3',
     'alabaster>=0.7,<0.8',
diff --git a/tox.ini b/tox.ini
index ca540944369..e2a36acab33 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.4.0
-envlist = docs,flake8,mypy,twine,coverage,py{36,37,38,39,310},du{14,15,16,17}
+envlist = docs,flake8,mypy,twine,coverage,py{36,37,38,39,310},du{14,15,16,17,18}
 
 [testenv]
 usedevelop = True
@@ -16,12 +16,13 @@ passenv =
     TERM
 description =
     py{36,37,38,39,310}: Run unit tests against {envname}.
-    du{12,13,14}: Run unit tests with the given version of docutils.
+    du{14,15,16,17,18}: Run unit tests with the given version of docutils.
 deps =
     du14: docutils==0.14.*
     du15: docutils==0.15.*
     du16: docutils==0.16.*
     du17: docutils==0.17.*
+    du18: docutils==0.18.*
 extras =
     test
 setenv =