diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
new file mode 100644
index 0000000..a12971f
--- /dev/null
+++ b/.github/workflows/main.yaml
@@ -0,0 +1,14 @@
+name: on push to main
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: main
+  cancel-in-progress: true
+
+jobs:
+  unit_tests:
+    uses: ./.github/workflows/tox.yaml
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
new file mode 100644
index 0000000..f2b8638
--- /dev/null
+++ b/.github/workflows/pr.yaml
@@ -0,0 +1,21 @@
+name: on pull request
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - ready_for_review
+      - edited
+      - reopened
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.head_ref }}
+  cancel-in-progress: true
+
+jobs:
+  # Run the unit tests on every PR, even from external repos
+  unit_tests:
+    uses: ./.github/workflows/tox.yaml
diff --git a/.github/workflows/tox.yaml b/.github/workflows/tox.yaml
new file mode 100644
index 0000000..e6d2fb7
--- /dev/null
+++ b/.github/workflows/tox.yaml
@@ -0,0 +1,37 @@
+name: Tox unit tests
+
+on:
+  workflow_call:
+
+jobs:
+  build:
+    name: Tox unit tests and linting
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.10']
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install tox
+
+    - name: Test with tox
+      run: tox
+
+    - name: Generate coverage reports
+      run: tox -e cover
+
+    - name: Archive code coverage results
+      uses: actions/upload-artifact@v3
+      with:
+        name: code-coverage-report
+        path: cover/