diff --git a/.github/workflows/gh-pages.yaml b/.github/workflows/gh-pages.yaml
new file mode 100644
index 00000000..f4f8d2bd
--- /dev/null
+++ b/.github/workflows/gh-pages.yaml
@@ -0,0 +1,36 @@
+name: Github Pages
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "docs/**"
+  pull_request:
+    paths:
+      - "docs/**"
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup mdBook
+        uses: peaceiris/actions-mdbook@v1
+        with:
+          mdbook-version: '0.4.10'
+
+      - name: Install Katex
+        run: cargo install mdbook-katex
+
+      - run: mdbook build docs
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/main' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/book
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