diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
new file mode 100644
index 0000000..fc51cca
--- /dev/null
+++ b/.github/workflows/deploy-docs.yml
@@ -0,0 +1,59 @@
+name: Build and deploy documentation
+
+on:
+  push:
+    # all branches
+    paths:
+      - 'documentation/**'
+  pull_request:
+    paths:
+      - 'documentation/**'
+
+  # This enables the Run Workflow button on the Actions tab.
+  workflow_dispatch:
+
+# https://github.com/JamesIves/github-pages-deploy-action#readme
+permissions:
+    contents: write
+
+# Set DYLAN environment variable to GITHUB_WORKSPACE so packages are
+# installed in ../../_packages relative to documentation's Makefile
+env:
+  DYLAN: ${{ github.workspace }}
+
+jobs:
+
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Check links
+        uses: addnab/docker-run-action@v3
+        with:
+          image: ghcr.io/fraya/dylan-docs
+          options: -v ${{ github.workspace }}/documentation:/docs
+          run: make linkcheck
+
+      - name: Build docs
+        uses: addnab/docker-run-action@v3
+        with:
+          image: ghcr.io/fraya/dylan-docs
+          options: -v ${{ github.workspace }}/documentation:/docs
+          run: make html
+
+      - name: Upload HTML
+        uses: actions/upload-artifact@v4
+        with:
+          name: lsp-dylan
+          path: documentation/build/html/
+
+      - name: Bypass Jekyll on GH Pages
+        run: sudo touch documentation/build/html/.nojekyll
+
+      - name: Deploy docs
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: documentation/build/html
diff --git a/documentation/source/conf.py b/documentation/source/conf.py
index 80d8ba3..3f3c878 100644
--- a/documentation/source/conf.py
+++ b/documentation/source/conf.py
@@ -56,3 +56,12 @@
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
+
+
+# Ignore GitHub source code links with line number anchors in them because
+# they're apparently handled via Javascript and won't be found in the HTML.
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-linkcheck_anchors_ignore
+linkcheck_anchors_ignore = [r"^L\d+$"]
+
+# Ignore certificate verification
+tls_verify = False