diff --git a/.github/workflows/pr-build.yml b/.github/workflows/pr-build.yml
new file mode 100644
index 0000000..2941dcf
--- /dev/null
+++ b/.github/workflows/pr-build.yml
@@ -0,0 +1,34 @@
+name: Build on PR to main
+
+on:
+  pull_request:
+    branches: [main]
+    types: [opened, reopened, synchronize, ready_for_review]
+
+concurrency:
+  group: pr-build-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
\ No newline at end of file