diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..27c6fb3
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: weekly
+      timezone: America/Chicago
+    labels:
+      - dependabot
+    groups:
+      gha:
+        patterns:
+          - "*"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..134f695
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,51 @@
+name: test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+concurrency:
+  group: test-${{ github.head_ref }}
+  cancel-in-progress: true
+
+env:
+  PYTHONUNBUFFERED: "1"
+  FORCE_COLOR: "1"
+
+jobs:
+  test:
+    name: Python ${{ matrix.python-version }}, Django ${{ matrix.django-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        django-version: ["4.2", "5.0"]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - uses: westerveltco/setup-ci-action@v0
+        with:
+          python-version: ${{ matrix.python-version }}
+          extra-python-dependencies: tox,tox-gh-actions
+          use-uv: true
+
+      - name: Run test suite
+        run: tox -v
+        env:
+          DJANGO: ${{ matrix.django-version }}
+
+  tests:
+    runs-on: ubuntu-latest
+    needs: test
+    if: always()
+    steps:
+      - name: OK
+        if: ${{ !(contains(needs.*.result, 'failure')) }}
+        run: exit 0
+      - name: Fail
+        if: ${{ contains(needs.*.result, 'failure') }}
+        run: exit 1
diff --git a/.gitignore b/.gitignore
index a9a6d20..13d8280 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ dist/
 build/
 django_fsm.egg-info/
 .tox/
+.venv
+.mise*.toml
+!.mise.toml
diff --git a/.mise.toml b/.mise.toml
new file mode 100644
index 0000000..a18d10e
--- /dev/null
+++ b/.mise.toml
@@ -0,0 +1,5 @@
+[env]
+_.python.venv = { path = ".venv", create = true }
+
+[tools]
+python = ["3.12", "3.11", "3.10", "3.9", "3.8"]
diff --git a/tox.ini b/tox.ini
index 6f61655..eb8d7b4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,87 +1,19 @@
 [tox]
 envlist =
-    # py26-dj{16}
-    py27-dj{16,18,19,110,111}
-    # py33-dj{16,18}
-    py{34,35,36}-dj{18,19,110,111}
-    py{36,37}-dj{20,21}
-    py{37,38}-dj{22,30,31,32}
-    py{38,310}-dj{40,41}
-    py{310}-dj{42,50}
+    py{38,39}-dj42
+    py{310,311,312}-dj{42,50}
 skipsdist = True
 
 [testenv]
 deps =
-    py26: ipython==2.1.0
-    {py27,py32,py33}: ipython==5.4.1
-    {py34,py35,py36}: ipython==6.1.0
-    {py37}: ipython==7.4.0
-
-    dj16: Django==1.6.11
-    dj16: coverage<=3.999
-    dj16: django-guardian==1.3.2
-
-    dj18: Django==1.8.19
-    dj18: coverage==4.1
-    dj18: django-guardian==1.4.4
-
-    dj19: Django==1.9.13
-    dj19: coverage==4.1
-    dj19: django-guardian==1.4.4
-
-    dj110: Django==1.10.8
-    dj110: coverage==4.1
-    dj110: django-guardian==1.4.4
-
-    dj111: Django==1.11.26
-    dj111: coverage==4.5.4
-    dj111: django-guardian==1.4.8
-
-    dj20: Django==2.0.13
-    dj20: coverage==4.5.4
-    dj20: django-guardian==1.5.0
-
-    dj21: Django==2.1.15
-    dj21: coverage==4.5.4
-    dj21: django-guardian==1.5.0
-
-    dj22: Django==2.2.24
-    dj22: coverage==4.5.4
-    dj22: django-guardian==2.1.0
-
-    dj30: Django==3.0.14
-    dj30: coverage==4.5.4
-    dj30: django-guardian==2.1.0
-
-    dj31: Django==3.1.13
-    dj31: coverage==5.5
-    dj31: django-guardian==2.3.0
-
-    dj32: Django==3.2.9
-    dj32: coverage==6.1.1
-    dj32: django-guardian==2.4.0
-
-    dj40: Django==4.0.7
-    dj40: coverage==6.4.2
-    dj40: django-guardian==2.4.0
-
-    dj41: Django==4.1
-    dj41: coverage==6.4.3
-    dj41: django-guardian==2.4.0
-
-    dj42: Django==4.2.8
-    dj42: coverage==7.3.4
-    dj42: django-guardian==2.4.0
-
-    dj50: Django==5.0
-    dj50: coverage==7.3.4
-    dj50: django-guardian==2.4.0
-
+    dj42: Django>=4.2,<4.3
+    dj50: Django>=5.0,<5.1
+    coverage==7.3.4
+    django-guardian==2.4.0
     graphviz==0.7.1
     pep8==1.7.1
     pyflakes==1.6.0
 commands = {posargs:python ./tests/manage.py test}
 
-
 [flake8]
 max-line-length = 130