diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a085a72
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,27 @@
+name: ci
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+jobs:
+  nosetests:
+    strategy:
+      fail-fast: false
+      matrix:  # https://github.com/actions/python-versions/releases
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "pypy-3.11"]
+        exclude:
+          - os: windows-latest
+            python-version: "pypy-3.11"
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
+      - run: python3 -m pip install --upgrade pip
+      - run: pip install nose-py3 pytest pytest-asyncio
+      - run: pip install --editable .
+      - run: nosetests
+      - run: pytest || true