diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bab5533..8523933 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,8 +13,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
@@ -38,7 +36,7 @@ jobs:
       run: |
         tox -v -e py
     - name: Lint
-      if: matrix.python-version == '3.12'
+      if: matrix.python-version == '3.14'
       run: |
         python -m pip install -U pylint ".[test]"
         pylint src
diff --git a/CHANGES.rst b/CHANGES.rst
index 4899120..bcc64e9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,7 +5,10 @@
 0.20 (unreleased)
 =================
 
-- Nothing changed yet.
+- Stop testing Python 3.8 and 3.9. Only 3.10 and above are supported.
+- Add an ``ansi`` extra to install ``erbsland-sphinx-ansi``. Version
+  1.2.4 or later is required.
+- Explicitly list ``docutils`` as a dependency.
 
 
 0.19 (2026-02-20)
diff --git a/setup.py b/setup.py
index 9693c2d..894d932 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@ def read_version_number():
     # method is invoked. So we now have to test side effects.
     # That's OK, and the same side effect test works on older
     # versions as well.
-    "erbsland-sphinx-ansi; python_version >= '3.10'",
+    "erbsland-sphinx-ansi >= 1.2.4",
 ]
 
 setup(
@@ -84,8 +84,6 @@ def read_version_number():
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3 :: Only',
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -103,13 +101,17 @@ def read_version_number():
     package_dir={'': 'src'},
     include_package_data=True,
     install_requires=[
-        'Sphinx>=5.0.0',
+        'Sphinx >= 5.0.0',
+        'docutils',
     ],
     extras_require={
         'test': tests_require,
         'docs': [
             'furo',
         ],
+        'ansi': [
+            "erbsland-sphinx-ansi >= 1.2.4",
+        ],
     },
-    python_requires=">=3.8",
+    python_requires=">=3.10",
 )
diff --git a/src/sphinxcontrib/programoutput/tests/test_directive.py b/src/sphinxcontrib/programoutput/tests/test_directive.py
index cd6aa48..4d5da3c 100644
--- a/src/sphinxcontrib/programoutput/tests/test_directive.py
+++ b/src/sphinxcontrib/programoutput/tests/test_directive.py
@@ -71,9 +71,19 @@ class TestDirective(AppMixin,
     # pylint:disable=too-many-public-methods
     def assert_output(self, doctree, output, **kwargs):
         __tracebackhide__ = True
-        literal = doctree.next_node(literal_block)
-        self.assertTrue(literal)
-        self.assertEqual(literal.astext(), output)
+        # Sometime around 1.2.4, erpsland-sphinx-ansi changed from being a
+        # ``literal_block`` to being a ``container``, and its astext()
+        # stopped being the
+        # See
+        #    https://github.com/erbsland-dev/erbsland-sphinx-ansi
+        #    /commit/f9b2481b65ac4df208bc0dc47b433ecefbbb0701
+        #    #diff-501301f0162ce64234424c0fa1e1b56724e0d526c3d364d9db3ddc19931f2a27
+        using_ansi = kwargs.get('ansi')
+        literal = doctree.next_node(literal_block
+                                    if not using_ansi
+                                    else container)
+        self.assertTrue(literal, (literal, output))
+        self.assertEqual(literal.astext() if not using_ansi else literal.rawsource, output)
 
         if 'caption' in kwargs:
             caption_node = doctree.next_node(caption)
@@ -106,7 +116,6 @@ def test_simple(self):
         self.assert_output(self.doctree, 'eggs')
         self.assert_cache(self.app, 'echo eggs', 'eggs')
 
-
     @with_content("""\
     .. program-output:: python -c 'print("spam with eggs")'""")
     def test_with_spaces(self):
@@ -120,7 +129,6 @@ def test_with_spaces(self):
         self.assert_cache(self.app, sys.executable + ' -c \'print("spam with eggs")\'',
                           'spam with eggs')
 
-
     @with_content("""\
     .. program-output:: python -c 'import sys; sys.stderr.write("spam with eggs")'
                               """)
@@ -130,17 +138,6 @@ def test_standard_error(self):
         cmd = sys.executable + ' -c \'import sys; sys.stderr.write("spam with eggs")\''
         self.assert_cache(self.app, cmd, output)
 
-
-    @with_content("""\
-    .. program-output:: python -V
-       :nostderr:""")
-    @unittest.skipIf(sys.version_info[0] > 2,
-                     reason="Python 3 prints version to stdout, not stderr")
-    def test_standard_error_disabled(self):
-        self.assert_output(self.doctree, '')
-        self.assert_cache(self.app, sys.executable + ' -V', '', hide_standard_error=True)
-
-
     @with_content("""\
     .. program-output:: python -c 'import os; print(os.getcwd())'""")
     def test_working_directory_defaults_to_srcdir(self):
@@ -170,7 +167,6 @@ def test_working_directory_relative_to_document(self):
         self.assert_cache(self.app, sys.executable + " -c 'import os; print(os.getcwd())'", output,
                           working_directory=str(contentdir))
 
-
     @with_content("""\
 .. program-output:: echo "${PWD}"
        :shell:
@@ -183,13 +179,11 @@ def test_working_directory_with_shell(self):
         self.assert_cache(self.app, 'echo "${PWD}"', output, use_shell=True,
                           working_directory=str(contentdir))
 
-
     @with_content('.. program-output:: echo "${HOME}"')
     def test_no_expansion_without_shell(self):
         self.assert_output(self.doctree, '${HOME}')
         self.assert_cache(self.app, 'echo "${HOME}"', '${HOME}')
 
-
     @with_content("""\
     .. program-output:: echo "${HOME}"
        :shell:""")
@@ -197,7 +191,6 @@ def test_expansion_with_shell(self):
         self.assert_output(self.doctree, os.environ['HOME'])
         self.assert_cache(self.app, 'echo "${HOME}"', os.environ['HOME'], use_shell=True)
 
-
     @with_content("""\
     .. program-output:: echo "spam with eggs"
        :prompt:""")
@@ -207,7 +200,6 @@ def test_prompt(self):
 spam with eggs""")
         self.assert_cache(self.app, 'echo "spam with eggs"', 'spam with eggs')
 
-
     @with_content('.. command-output:: echo "spam with eggs"')
     def test_command(self):
         self.assert_output(self.doctree, """\
@@ -215,7 +207,6 @@ def test_command(self):
 spam with eggs""")
         self.assert_cache(self.app, 'echo "spam with eggs"', 'spam with eggs')
 
-
     @with_content('.. command-output:: echo spam',
                   programoutput_prompt_template='>> {command}\n<< {output}')
     def test_command_non_default_prompt(self):
@@ -256,7 +247,6 @@ def test_ellipsis_stop_only(self):
         self.assert_cache(self.app, sys.executable + ' -c \'print("spam\\nwith\\neggs")\'',
                           'spam\nwith\neggs')
 
-
     @with_content("""\
     .. program-output:: python -c 'print("spam\\nwith\\neggs")'
        :ellipsis: -2""")
@@ -266,7 +256,6 @@ def test_ellipsis_negative_stop(self):
                           sys.executable + """ -c 'print("spam\\nwith\\neggs")'""",
                           'spam\nwith\neggs')
 
-
     @with_content("""\
     .. program-output:: python -c 'print("spam\\nwith\\neggs")'
        :ellipsis: 1, 2""")
@@ -276,7 +265,6 @@ def test_ellipsis_start_and_stop(self):
                           sys.executable + """ -c 'print("spam\\nwith\\neggs")'""",
                           'spam\nwith\neggs')
 
-
     @with_content("""\
     .. program-output:: python -c 'print("spam\\nwith\\neggs")'
        :ellipsis: 1, -1""")
@@ -286,7 +274,6 @@ def test_ellipsis_start_and_negative_stop(self):
                           sys.executable + """ -c 'print("spam\\nwith\\neggs")'""",
                           'spam\nwith\neggs')
 
-
     @with_content("""\
     .. program-output:: python -c 'import sys; sys.exit(1)'""",
                   ignore_warnings=False)
@@ -301,8 +288,6 @@ def test_unexpected_return_code(self):
         parsed_command = (sys.executable, '-c', 'import sys; sys.exit(1)')
         self.assertIn(repr(parsed_command), repr(command))
 
-
-
     @with_content("""\
     .. program-output:: python -c 'import sys; sys.exit("some output")'
        :shell:""",
@@ -318,7 +303,6 @@ def test_shell_with_unexpected_return_code(self):
         # Python 2 include the u'' prefix on the output string.
         self.assertEqual('some output', output)
 
-
     @with_content("""\
     .. program-output:: python -c 'import sys; print("foo"); sys.exit(1)'
        :returncode: 1""")
@@ -397,7 +381,6 @@ def test_bytes_prompt_with_unicode_output(self):
             'echo "U+2264 ≤ LESS-THAN OR EQUAL TO"',
             'U+2264 ≤ LESS-THAN OR EQUAL TO')
 
-
     @with_content("""\
     .. program-output:: python -c 'print("U+2264 ≤ LESS-THAN OR EQUAL TO\\n≤ line2\\n≤ line3")'
         :ellipsis: 2
@@ -487,13 +470,11 @@ def test_use_ansi_missing_extension(self):
     .. program-output:: python -c 'print("\\x1b[31mspam\\x1b[0m")'""",
                   programoutput_use_ansi=True,
                   extensions=['sphinxcontrib.programoutput', 'erbsland.sphinx.ansi'])
-    @unittest.skipIf(sys.version_info[:2] < (3, 10),
-                     "The extension is only available on 3.10+")
     def test_use_ansi_enabled_extension(self):
         with Patch('sphinxcontrib.programoutput.logger.warning') as patch_warning:
             doctree = self.doctree
 
-        self.assert_output(doctree, '\x1b[31mspam\x1b[0m')
+        self.assert_output(doctree, '\x1b[31mspam\x1b[0m', ansi=True)
         patch_warning.assert_not_called()
         self.assert_cache(
             self.app,
diff --git a/tox.ini b/tox.ini
index 6ac6556..76767fc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py38,py39,py310,py311,py312,py313,py314,pypy3,docs
+envlist=py310,py311,py312,py313,py314,pypy3,docs
 
 [testenv]
 usedevelop = false