diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
new file mode 100644
index 0000000..980705b
--- /dev/null
+++ b/.github/workflows/npm-publish.yml
@@ -0,0 +1,50 @@
+name: NPM Publish
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to publish (vX.Y.Z)'
+        required: true
+        type: string
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    env:
+      RELEASE_TAG: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.event.release.tag_name }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ env.RELEASE_TAG }}
+
+      - name: Use Node.js 22.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22.x
+          registry-url: 'https://registry.npmjs.org'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Check Version
+        run: |
+          TAG="${RELEASE_TAG#v}"
+          PKG=$(node -p "require('./package.json').version")
+          if [ "$PKG" != "$TAG" ]; then
+            echo "Version mismatch: Tag $TAG vs Package $PKG" >&2
+            exit 1
+          fi
+
+      - name: Build
+        run: npm run build
+
+      - name: Publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npm publish --access public
diff --git a/package.json b/package.json
index 76f63bc..d95bf7e 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,12 @@
   "bin": {
     "cloudsqlctl": "./dist/cli.cjs"
   },
+  "files": [
+    "dist",
+    "README.md",
+    "LICENSE",
+    "CHANGELOG.md"
+  ],
   "engines": {
     "node": ">=22.0.0"
   },