diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 93471ce..7cc4fb8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -42,19 +42,14 @@ jobs:
     strategy:
       matrix:
         python:
-        - "3.7"
+        - "3.8"
         - "3.11"
         - "3.12"
-        # Workaround for actions/setup-python#508
-        dev:
-        - -dev
         platform:
         - ubuntu-latest
         - macos-latest
         - windows-latest
         include:
-        - python: "3.8"
-          platform: ubuntu-latest
         - python: "3.9"
           platform: ubuntu-latest
         - python: "3.10"
@@ -68,7 +63,8 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: ${{ matrix.python }}${{ matrix.dev }}
+          python-version: ${{ matrix.python }}
+          allow-prereleases: true
       - name: Install tox
         run: |
           python -m pip install tox
diff --git a/newsfragments/+drop-py37.feature.rst b/newsfragments/+drop-py37.feature.rst
new file mode 100644
index 0000000..ccabdaa
--- /dev/null
+++ b/newsfragments/+drop-py37.feature.rst
@@ -0,0 +1 @@
+Require Python 3.8 or later.
diff --git a/setup.cfg b/setup.cfg
index fb252e5..5590feb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,7 +15,7 @@ classifiers =
 [options]
 packages = find_namespace:
 include_package_data = true
-python_requires = >=3.7
+python_requires = >=3.8
 install_requires =
 
 [options.packages.find]
diff --git a/tox.ini b/tox.ini
index 32b031d..4e8e709 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,8 +1,4 @@
 [tox]
-envlist = python
-minversion = 3.2
-# https://github.com/jaraco/skeleton/issues/6
-tox_pip_extensions_ext_venv_update = true
 toxworkdir={env:TOX_WORK_DIR:.tox}