diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index db06ec9..819e49a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,8 +40,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install --upgrade "tox<4" "tox-gh-actions<3"
-        python -m pip install --editable ".[test]"
+        python -m pip install --upgrade tox tox-gh-actions
+        python -m pip install --editable ".[testing]"
 
     - name: Tox tests
       run: |
diff --git a/tox.ini b/tox.ini
index 79eb878..dec50c0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,34 +1,23 @@
 [tox]
-skipsdist = true
-skip_missing_interpreters = true
-isolated_build = true
-usedevelop = true
-minversion = 1.8
-envlist =
+requires =
+    tox>=4.2
+env_list =
     py311-checkqa
     docs
-    py{39}-dj{32,41,42}
-    py{310,py310}-dj{32,41,42,50,main}
-    py{311}-dj{41,42,50,51,main}
-    py{312}-dj{50,51,main}
-    py{313}-dj{50,51,main}
-
-[gh-actions]
-python =
-    3.9: py39
-    3.10: py310
-    3.11: py311,flake8,readme
-    3.12: py312
-    3.13: py313
-    pypy-3.10: pypy310
+    py{39}-dj{42, 41, 32}
+    py{py310, 310}-dj{50, 42, 41, 32, main}
+    py{311}-dj{51, 50, 42, 41, main}
+    py{312}-dj{51, 50, main}
+    py{313}-dj{51, 50, main}
+no_package = true
+skip_missing_interpreters = true
+usedevelop = true
 
 [testenv]
-usedevelop = true
-setenv =
-    DJANGO_SETTINGS_MODULE = tests.settings.main
-    DJANGO_CONFIGURATION = Test
-    COVERAGE_PROCESS_START = {toxinidir}/pyproject.toml
+package = editable
 deps =
+    coverage
+    coverage_enable_subprocess
     dj32: django~=3.2.9
     dj41: django~=4.1.3
     dj42: django~=4.2.0
@@ -39,9 +28,12 @@ deps =
     py312: wheel
     py313: setuptools
     py313: wheel
-    coverage
-    coverage_enable_subprocess
-extras = testing
+extras =
+    testing
+set_env =
+    COVERAGE_PROCESS_START = {toxinidir}/pyproject.toml
+    DJANGO_CONFIGURATION = Test
+    DJANGO_SETTINGS_MODULE = tests.settings.main
 commands =
     python --version
     {envbindir}/coverage run {envbindir}/django-cadmin test -v2 {posargs:tests}
@@ -50,29 +42,38 @@ commands =
     coverage xml
 
 [testenv:py311-checkqa]
+deps =
+    build
+    check-manifest
+    flake8
+    twine
 commands =
     flake8 {toxinidir}
     check-manifest --verbose
     python -m build
     twine check dist/*
-deps =
-    build
-    flake8
-    twine
-    check-manifest
 
 [testenv:docs]
-setenv =
 deps =
     -r docs/requirements.txt
+set_env =
 commands =
     sphinx-build \
-        --builder html \
-        --write-all \
-        --fail-on-warning \
-        --nitpicky \
-        docs \
-        docs/_build/html
+      --builder html \
+      --write-all \
+      --fail-on-warning \
+      --nitpicky \
+      docs \
+      docs/_build/html
+
+[gh-actions]
+python =
+    3.9: py39
+    3.10: py310
+    3.11: py311,flake8,readme
+    3.12: py312
+    3.13: py313
+    pypy-3.10: pypy310
 
 [flake8]
 exclude = .tox,docs/*,.eggs