diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 162ab8c..1227e03 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -22,14 +22,18 @@ jobs:
   publish-npm:
     needs: build
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write # required for OIDC Trusted Publishing (and provenance)
+      contents: read
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 18
+          node-version: 24
           registry-url: https://registry.npmjs.org/
       - run: npm ci
-      - run: npm run build --if-present
+      - run: npm install -g npm@latest # ensure npm >= 11.5.1 for OIDC publishing
       - run: npm publish
-        env:
-          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+        # No NODE_AUTH_TOKEN: authentication is handled via OIDC Trusted Publishing,
+        # configured for this repo + workflow at npmjs.com. Publishing this way also
+        # attaches a signed provenance attestation automatically.