diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..95d9dcf
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,45 @@
+name: Publish
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          registry-url: "https://registry.npmjs.org"
+
+      - name: Check npm token
+        run: |
+          if [ -z "${NODE_AUTH_TOKEN}" ]; then
+            echo "NPM_TOKEN secret is required to publish."
+            exit 1
+          fi
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Typecheck
+        run: bunx tsc --noEmit
+
+      - name: Publish to npm
+        run: npm publish --access public --tag latest
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}