diff --git a/.github/workflows/render.yml b/.github/workflows/render.yml
new file mode 100644
index 0000000..d93fca4
--- /dev/null
+++ b/.github/workflows/render.yml
@@ -0,0 +1,39 @@
+name: render
+
+defaults:
+  run:
+    shell: bash -ex {0}
+
+on:
+  push:
+    branches: [ main ]
+    paths-ignore:
+      - README.md
+  pull_request:
+    branches: [ main ]
+    paths-ignore:
+      - README.md
+
+jobs:
+  render:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.13"
+      - name: Install Python deps
+        shell: bash
+        run: |
+          python -m pip install nbformat nbclient pyyaml ipykernel
+      - uses: quarto-dev/quarto-actions/setup@v2
+      - if: runner.os == 'Windows'
+        shell: bash
+        run: echo "QUARTO_PYTHON=python" >> $GITHUB_ENV
+      - run: quarto render slides.ipynb --execute --to revealjs
diff --git a/slides.ipynb b/slides.ipynb
index 9aa4f4f..2311089 100644
--- a/slides.ipynb
+++ b/slides.ipynb
@@ -20,6 +20,18 @@
     "---"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "8b6ce59b082dd54c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# | include: false\n",
+    "# install dependencies for the code in this document (add packages here if importing something new)\n",
+    "!pip install --quiet matplotlib"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 1,