diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
deleted file mode 100644
index 12a77a2..0000000
--- a/.github/workflows/documentation.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-name: Documentation
-
-on:
-  push:
-    branches:
-      - main
-
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
-# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
-concurrency:
-  group: "pages"
-  cancel-in-progress: false
-
-jobs:
-  publish:
-    name: Publish Documentation
-    runs-on: ubuntu-latest
-
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-
-    steps:
-      - name: Set up GitHub Pages
-        uses: actions/configure-pages@v3
-      - uses: actions/checkout@v3
-      - name: Generate documentation
-        run: "swift package generate-documentation --target MessagePack --disable-indexing --include-extended-types --transform-for-static-hosting --hosting-base-path msgpack-swift"
-      - name: Upload documentation
-        uses: actions/upload-pages-artifact@v2
-        with:
-          path: ".build/plugins/Swift-DocC/outputs/MessagePack.doccarchive"
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v2
diff --git a/.spi.yml b/.spi.yml
new file mode 100644
index 0000000..b4e5776
--- /dev/null
+++ b/.spi.yml
@@ -0,0 +1,5 @@
+version: 1
+builder:
+   configs:
+      - documentation_targets: [MessagePack]
+        custom_documentation_parameters: [--include-extended-types]