diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
new file mode 100644
index 0000000..96b6c36
--- /dev/null
+++ b/.github/workflows/prettier.yml
@@ -0,0 +1,27 @@
+name: Prettier Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run Prettier check
+        run: npx prettier --check .