diff --git a/.github/workflows/biome.yml b/.github/workflows/biome.yml
new file mode 100644
index 00000000..b43b149a
--- /dev/null
+++ b/.github/workflows/biome.yml
@@ -0,0 +1,31 @@
+name: Biome
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "**.ts"
+      - "**.astro"
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: check biome
+      run: |
+        npm ci
+        npm run biome:ci
+      env:
+        CI: true