diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..e628afa
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,34 @@
+name: Run tests
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  nox:
+    name: Nox
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - "3.7"
+          - "3.8"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12.0-alpha - 3.12"
+          - "pypy-3.9"
+    steps:
+      - uses: actions/checkout@v3
+      - uses: excitedleigh/setup-nox@v2.1.0
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Run tests
+        run: |
+          v="${{ matrix.python-version }}"
+          v=${v##* }  # "3.12.0-alpha - 3.12" -> "3.12"
+          v=${v//-}   # "pypy-3.9" -> "pypy3.9"
+          nox --force-color --python "$v"