diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 01fa107a..d3ec7ba8 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -34,7 +34,7 @@ jobs:
         flake8 autopep8.py
         pycodestyle autopep8.py
     - name: doctest for readme
-      if: matrix.python-version == 3.9
+      if: matrix.python-version == 3.11
       run: |
         python -m doctest -v README.rst
     - name: Test with pytest
@@ -48,6 +48,6 @@ jobs:
         python test/test_suite.py
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v3
-      if: matrix.python-version == 3.9 && success()
+      if: matrix.python-version == 3.11 && success()
       with:
         fail_ci_if_error: true
diff --git a/README.rst b/README.rst
index da66742a..addd5f36 100644
--- a/README.rst
+++ b/README.rst
@@ -408,7 +408,7 @@ Testing
 Test cases are in ``test/test_autopep8.py``. They can be run directly via
 ``python test/test_autopep8.py`` or via tox_. The latter is useful for
 testing against multiple Python interpreters. (We currently test against
-CPython versions 3.7, 3.8, 3.9 and 3.10. We also test against PyPy.)
+CPython versions 3.8, 3.9, 3.10, 3.11 and 3.12. We also test against PyPy.)
 
 .. _`tox`: https://pypi.org/project/tox/
 
diff --git a/pyproject.toml b/pyproject.toml
index 6f66ca6f..ea8606e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,15 +20,15 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "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",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Topic :: Software Development :: Quality Assurance",
 ]
-requires-python = ">=3.6"
+requires-python = ">=3.8"
 dependencies = [
     "pycodestyle >= 2.11.0",
     "tomli; python_version < '3.11'",