diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..c59a6fe
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,51 @@
+name: Release
+
+# Builds the plugin in CI and publishes a GitHub release whenever a version
+# tag is pushed (e.g. `0.1.3`). The build artifacts get provenance attestations
+# so users can cryptographically verify they were built from this repository.
+
+on:
+  push:
+    tags:
+      - "*"
+
+permissions:
+  contents: write
+  id-token: write
+  attestations: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Attest build provenance
+        uses: actions/attest-build-provenance@v2
+        with:
+          subject-path: |
+            main.js
+            manifest.json
+            styles.css
+
+      - name: Create release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release create "${GITHUB_REF_NAME}" \
+            --title "${GITHUB_REF_NAME}" \
+            --generate-notes \
+            main.js manifest.json styles.css