diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..96bff0e7
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,32 @@
+name: Build
+on:
+    pull_request:
+    schedule:
+        - cron: "0 0 * * 0"
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+        python: ["3.12"]
+        include:
+        - python: "3.12"
+          tox_env: "py312-web"
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python }}
+    - name: Install tox
+      run: |
+        python -m pip install --upgrade pip setuptools
+        pip install tox
+    - name: Test
+      shell: bash
+      run: |
+        tox -e ${{ matrix.tox_env }}
+
diff --git a/_appmap/test/conftest.py b/_appmap/test/conftest.py
index e2dee18e..a0346f0e 100644
--- a/_appmap/test/conftest.py
+++ b/_appmap/test/conftest.py
@@ -177,6 +177,7 @@ def __init__(self, info: ServerInfo, controldir, xprocess):
         # In the meantime, pass the desired directory to server_runner, which
         # will handle changing the working directory.
         self._args = [
+            "bash",
             (Path(__file__).parent / "bin" / "server_runner").as_posix(),
             (Path(__file__).parent / "data" / info.name).as_posix(),
             f"{Path(sys.executable).as_posix()} {info.cmd}",
diff --git a/tox.ini b/tox.ini
index a25a18d4..51ace839 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,9 +20,9 @@ deps=
 commands =
     poetry install -v
     py310-web: poetry run pylint -j 0 appmap _appmap
-    web: poetry run appmap-python {posargs:pytest}
-    django3: poetry run appmap-python pytest _appmap/test/test_django.py
-    flask2: poetry run appmap-python pytest _appmap/test/test_flask.py
+    web: poetry run appmap-python {posargs:pytest -v}
+    django3: poetry run appmap-python pytest -v _appmap/test/test_django.py
+    flask2: poetry run appmap-python pytest -v _appmap/test/test_flask.py
 
 [testenv:vendoring]
 skip_install = True